Related by context. All words. (Click for frequent words.) 69 prenatal exposures 68 anti androgenic 67 hormone disruptor 67 hormone disruptors 67 teratogens 66 endocrine disruption 66 mimics estrogen 66 synthetic estrogens 66 teratogenic effects 66 reproductive abnormalities 65 reproductive toxicity 65 synthetic musks 65 endocrine disrupters 65 hormone disrupting 65 endocrine disrupting chemicals 64 endocrine disruptors 64 endocrine disrupter 64 bioaccumulative 64 pthalates 64 dioxins PCBs 64 DDT dieldrin 64 Drospirenone 64 potent carcinogen 64 carcinogens mutagens 64 chlorinated pesticides 64 Inert ingredients 63 teratogenic 63 pesticides chlorpyrifos 63 developmental neurotoxicity 63 genotoxic 63 organochlorines 63 Endocrine disruptors 63 estrogenic compounds 63 organochlorine compounds 62 hormonally active 62 neuro developmental disorders 62 mimic estrogen 62 environmental toxicants 62 ecotoxicological 62 ethyl mesilate 62 immunotoxicity 62 polynuclear aromatic hydrocarbons 62 endocrine disrupting chemical 62 organochlorine 62 Soy isoflavones 62 estrogen mimicking 61 #,# Dioxane 61 perfluorooctane sulfonate PFOS 61 endrin 61 flame retardants PBDEs 61 xenoestrogens 61 hormone disrupter 61 estrogenic effects 61 piperonyl butoxide 61 perfluorinated compounds 61 methylparaben 61 endocrine disruptor 61 endocrine disrupting compounds 61 PDBEs 61 PFCAs 61 toxicant 61 polybrominated diphenyl ethers PBDEs 60 polycyclic aromatic hydrocarbons PAHs 60 oestrogens 60 estrogenic chemicals 60 organochlorine insecticides 60 hormone disrupters 60 bio accumulative 60 carbon disulfide 60 methylxanthines 60 2 butoxyethanol 60 tetrachloroethene 60 PAHs polycyclic aromatic hydrocarbons 60 organochlorine pesticides 60 urinary concentrations 60 endocrine disrupting chemicals EDCs 60 mutagens 60 mutagenicity 60 carcinogenic mutagenic 60 DDT PCBs 60 polyaromatic hydrocarbons 60 heptachlor 60 perfluorinated chemicals 60 Cotinine 60 HBCD 60 nonylphenol 60 organophosphate insecticide 60 Methylmercury 60 Organophosphate 60 toxaphene 59 anticarcinogenic 59 oestrogenic 59 allergic dermatitis 59 opportunistic pathogens 59 vinclozolin 59 polybrominated 59 acute toxicity 59 carbamates 59 sublethal 59 polycyclic aromatic hydrocarbons PAH 59 favorable pharmacokinetic 59 glycol ethers 59 microcystins 59 PCBs dioxins 59 developmental abnormalities 59 phyto oestrogens 59 reproductive toxins 59 dichloroethene 59 utero exposure 59 perfluorooctanoic acid PFOA 59 Inorganic arsenic 59 Endocrine disrupting 59 ecotoxicity 59 potent anti oxidant 59 anti androgens 59 perfluorooctane sulfonate 59 xenobiotics 59 PCBs DDT 59 Halogenated 59 organotins 59 testicular dysgenesis syndrome 59 dyes preservatives 59 formaldehyde benzene 59 phthalate metabolites 59 organophosphate pesticide 59 benzo pyrene 58 biochemical abnormalities 58 agonist antagonist 58 trans palmitoleate 58 pharmacokinetic interactions 58 chlorinated compounds 58 phthalate esters 58 Flame retardants 58 acid PFOA 58 Leukotrienes 58 benzyl 58 endocrine dysfunction 58 Tß4 58 xenobiotic 58 male hormone androgen 58 carcinogenic polycyclic aromatic hydrocarbons 58 impair fertility 58 PPCPs 58 ethinylestradiol 58 barium chloride 58 airway responsiveness 58 Sterols 58 fragrances dyes 58 aromatic amines 58 sensitizers 58 retinoid X 58 chlordecone 58 ovarian hormones 58 Triclosan 58 plastics detergents 58 PBDE flame retardants 58 azo dyes 58 eco toxicological 58 biphenyls 58 dioxin PCBs 58 maneb 58 reproductive toxicants 58 mitochondrial toxicity 58 bioaccumulation 58 Methyl mercury 58 chemoprotective 58 phototoxicity 58 chemical malachite green 58 dichloroethane 58 estrogenic activity 58 Chromium VI 58 trichloroethene TCE 58 Metabolites 58 dioxane 58 Pyrethrins 58 carbamate insecticides 58 Sulfates 58 diphenyl ethers 57 receptor inhibitor 57 organotin 57 dibutyl phthalate DBP 57 enteric bacteria 57 carcinogenicity 57 Darinaparsin 57 androgenic 57 reproductive toxicant 57 zinc oxide nanoparticles 57 bioaerosols 57 Benzyl 57 PCBs pesticides 57 organophosphate pesticides 57 Estrogenic 57 potent neuroprotective 57 #,# dichlorobenzene 57 Endocannabinoids 57 insecticides herbicides 57 chlamydial 57 Hair follicle 57 HMG CoA reductase inhibitors 57 Benzo pyrene 57 solvents pesticides 57 sodium lauryl sulphate 57 carboxylic acids 57 Dehydroepiandrosterone 57 female hormones estrogen 57 tributyltin 57 Prenatal exposure 57 polyester resins alkyd resins 57 dieldrin 57 Acrolein 57 toxicologic 57 inhibin B 57 plasma lipid 57 dioxins furans 57 organophosphorus pesticides 57 insecticide chlorpyrifos 57 silibinin 57 metabolite concentrations 57 tryptase 57 physicochemical properties 57 etiologic 57 triclocarban 57 pesticides aldrin 57 azelaic acid 57 Flavanols 57 FGFs 57 Salicylate 57 neuroactive 57 cytopathic 57 Ionizing radiation 57 COPEGUS therapy 57 potent inhibitors 57 neurotoxicity 57 anti convulsants 57 Malassezia 57 monoterpenes 56 Trichophyton rubrum 56 antiviral antibacterial 56 chemical perfluorooctanoic acid 56 dichlorobenzene 56 biotransformation 56 psychostimulant 56 arsenic antimony mercury 56 dibutyl phthalate 56 benzimidazole 56 anti atherogenic 56 acrolein 56 trihalomethanes THMs 56 ginsenosides 56 flavanones 56 thiourea 56 Cladosporium 56 ergot alkaloids 56 neurodevelopmental outcome 56 IgG antibody 56 nitrates nitrites 56 persistent bioaccumulative 56 genotoxicity 56 antiproliferative effects 56 pleiotropic effects 56 prostaglandin D2 56 aquatic biota 56 immune suppressive 56 hormones neurotransmitters 56 beta sitosterol 56 cytoprotective 56 mutagenic 56 fusion enhancers 56 prostate abnormalities 56 benzothiazole 56 physico chemical 56 N nitroso compounds 56 polybrominated diphenyl ether 56 benzoates 56 adrenal cortex 56 ABCB1 gene 56 airway irritation 56 chemicals diazinon malathion 56 physico chemical properties 56 polyketides 56 vaginal secretions 56 phthalates DEHP 56 Glucocorticoids 56 ursodeoxycholic acid 56 parabens preservatives 56 diethyl 56 cardiotoxic 56 antineoplastic 56 Oxybenzone 56 PVC phthalates 56 superoxide anion 56 metal degreasing 56 Airplanes sprayed 56 dependent neoplasia 56 glucocorticoid hormones 56 pyrethrins 56 toxicity 56 bacterial endotoxin 56 genital abnormalities 56 antitumour 56 aflatoxin B1 56 quaternary ammonium compounds 56 dietary carotenoids 56 persistent bio accumulative 56 benzene toluene xylene 56 mu opioid 56 nitrogenous compounds 56 potent antioxidant properties 56 hepatic enzyme 56 endotoxins 56 arsenic cadmium chromium 56 endogenous ligands 56 adrenal suppression 56 sodium lauryl sulfate 56 eicosapentaenoic acid 56 Fluoroquinolones 56 triglyceride lowering 56 cresol 56 PHD2 56 oxysterols 56 Leydig cells 56 antiandrogens 56 interferon IFN 56 ryanodine receptors 56 #,# DCB 56 hepatotoxic 55 endometriosis ovarian cysts 55 metabolized differently 55 5 HT1A receptor 55 LJ# [002] 55 hypericin 55 adrenal hormones 55 Cathepsin B 55 biphenyl 55 bone marrow suppression 55 perfluorocarbons 55 subchronic 55 dioxin TCDD 55 allergens irritants 55 congenital malformations 55 cardiac glycosides 55 biogenic amines 55 inorganic mercury 55 NMDA antagonists 55 myeloperoxidase 55 CB2 receptor 55 Dear EarthTalk Are 55 anticholinergic effects 55 Peptide YY 55 benzene toluene ethylbenzene 55 aquatic toxicity 55 polyunsaturated fatty acid 55 TiO2 nanoparticles 55 prostanoid 55 domoic acid naturally occurring 55 tumorigenicity 55 antiinflammatory 55 polychlorinated biphenyl PCB 55 Tetrachloroethylene 55 Hexavalent chromium 55 potent carcinogens 55 naturally occurring bacterium 55 adrenocortical 55 G6PD deficiency 55 nonylphenol ethoxylates 55 androgen depletion 55 pyridoxal 55 hormone estradiol 55 phosphonates 55 ethoxylates 55 carbonic anhydrase inhibitors 55 pituitary hormone 55 zearalenone 55 Polybrominated 55 arsenic selenium 55 Phenols 55 β carotene 55 Elevated serum 55 carcinogenic substances 55 naturally occurring amino acid 55 Genetic variations 55 phylloquinone 55 haematologic 55 IUGR 55 plasma selenium 55 Benzoyl peroxide 55 hematopoietic cancers 55 PCBs polychlorinated biphenyls 55 metabolizing enzymes 55 sulfonic acid 55 dimethyl sulfide 55 dehydrogenases 55 sulfated 55 previously undescribed 55 Chlamydia trachomatis infection 55 MetAP2 55 Hydrogen sulphide 55 PCBs mercury 55 ionizing irradiation 55 xanthine 55 estrogenic 55 carbonyls 55 androgenic hormones 55 bismuth oxychloride 55 estrogen ethinyl estradiol 55 tetrachloroethene PCE 55 perfluorochemicals PFCs 55 metal cations 55 antiangiogenic activity 55 chitinase 55 thiopurine 55 toxigenic 55 severe hypersensitivity reactions 55 ethyl benzene 55 thirdhand smoke 55 conjugated estrogen 55 pharmacodynamic parameters 55 genetic susceptibilities 55 deicing fluids propylene glycol 55 EDCs 55 Microcystis 55 #beta 55 Domoic acid neurotoxin 55 iodide uptake 55 serum lipid 55 invasive carcinoma 55 adipokines 55 potent analgesic 55 cyclooxygenase COX 55 plasma lipids 55 barbiturates benzodiazepines 55 birth defects miscarriages 55 Valproic acid 55 canthaxanthin 55 para cresol 55 phthalic acid 55 alachlor 55 codeine morphine 55 Carbon tetrachloride 55 platelet dysfunction 55 peroxides 55 gingerol 55 human chorionic gonadotropin hCG 55 blood coagulation disorders 55 bifenthrin 55 phosphate esters 55 azoospermia 55 bioaccumulates 55 diphacinone 55 Prostaglandins 55 iodine uptake 55 paroxetine sertraline 55 monoamine 55 insect repellent DEET 55 CDDO Im 55 immunofluorescence microscopy 55 anticarcinogenic effects 55 COX enzymes 55 Dechlorane Plus 55 chromosome aberrations 55 airborne pollutant 54 FUS protein 54 Fecal coliform 54 diethyl phthalate 54 exposed prenatally 54 bronchodilatory 54 phthalate DEHP 54 beta carotene supplementation 54 HER2 expression 54 beta. 54 B. cepacia 54 interleukins 54 BPA mimics 54 nephrotoxic 54 somatostatin 54 anti androgen 54 ochratoxin 54 mold dust mites 54 Phytoestrogens 54 Hydrogen sulfide 54 orofacial clefts 54 adrenal hormone 54 ethyl glucuronide EtG 54 vitellogenin 54 molecularly identical 54 phytoestrogen 54 plasma pharmacokinetics 54 PCBs dioxin 54 chemically alters 54 racemic mixture 54 Domoic acid 54 mucins 54 #ß 54 Cry1Ab 54 estrone 54 adrenocorticotropic hormone ACTH 54 Cyclin E 54 peptides proteins 54 NRF2 gene 54 erythropoietic 54 pharmacodynamic properties 54 metabolic byproducts 54 glycolipids 54 pleiotropic 54 benzene xylene 54 benzoate preservatives 54 chemopreventive 54 genotoxic substance 54 biocidal 54 sweating nausea dizziness 54 nonsteroidal anti inflammatories 54 myopathy rhabdomyolysis 54 chlorpyrifos diazinon 54 Aflatoxins 54 bloodroot shark cartilage 54 MeHg 54 mammary gland tumors 54 eicosanoids 54 parasites fungi 54 axonal degeneration 54 Parabens 54 neurosensory 54 toxicants 54 anti tumoral 54 nausea rashes 54 redox active 54 phthalate exposure 54 psychoactive chemical 54 Chloramines 54 insecticidal properties 54 antimycin 54 potency selectivity 54 inflammatory biomarkers 54 pesticide atrazine 54 spermidine 54 peritoneal fluid 54 SVHCs 54 Acrylic acid 54 Posiphen TM 54 impaired insulin secretion 54 botulinum neurotoxins 54 mild diuretic 54 radiological contaminants 54 nicotine metabolite 54 immune modulating 54 teratogenicity 54 inorganic nitrogen 54 atherosclerotic progression 54 dichlorodiphenyltrichloroethane 54 inorganic salts 54 synthetic fertilizers hormones 54 pesticides herbicides fungicides 54 TPMT 54 Household cleaners 54 triacylglycerols 54 opiods 54 MGUS 54 hERG 54 dimethoate 54 eicosanoid 54 swallowing radioactive iodine 54 TFN NEWS BRIEFING Pharmaceuticals 54 myo inositol 54 elastase 54 phytochemicals naturally occurring 54 Enterococci 54 serum BDNF 54 neuroprotective properties 54 carcinogenic 54 congenital toxoplasmosis 54 polybrominated biphenyls 54 bioaccumulate 54 GABAB receptors 54 linear pharmacokinetics 54 Enterococcus bacteria 54 Carcinogenic 54 peroxynitrite 54 thyroid hormone levels 54 TAT2 54 benzene ethylbenzene 54 thyrotropin 54 Serum phosphorus 54 alkylating 54 peptidic 54 chromosomal anomalies 54 benzyl alcohol 54 factor TNF 54 Aspergillus nidulans 54 nontarget 54 organochlorine pesticide 54 Vesivirus 54 contrast chlorine disinfection 54 pharmacodynamic markers 54 PBDE exposure 54 prolactin elevation 54 PM#.# exposure 54 terpenoids 54 Serum concentrations 54 furanones 54 phenolphthalein 54 phenanthrene 54 barium cadmium 54 54 CYP#B# 54 carbonyl sulfide 54 Limonene 54 methylation patterns 54 antibiotic resistant genes 54 opioid mediated 54 neovasculature 54 cancer causer 54 uroguanylin 54 Synthetic cannabinoids 54 mercury DDT PCBs 54 simazine 54 oestrogenic activity 54 progestogens 54 reproductive endocrine 54 methanol formaldehyde 54 oleuropein 54 sirtuin enzymes 54 behavioral disinhibition 54 fibrate drugs 54 hypermethylated 54 sex hormones estrogen 54 polychlorinated vinyls 54 mitochondrial metabolism 54 teratogen 54 irritancy 54 nonstimulant 54 inhalation ingestion 54 algal species 54 methyl parathion 54 stress hormone corticosterone 54 Plasmodium infection 54 culture supernatants 54 malondialdehyde 54 tributyl tin 54 potassium sparing diuretics 54 inhaled TPI ASM8 54 beta lactam antibiotic 54 neurotoxic 54 serum leptin 54 Chlordane 54 Elevated concentrations 54 inherit predisposition 54 naturally occurring estrogen 54 Adverse effects 54 heparanase 54 CYP #A# 53 arsenic cadmium mercury 53 chromium VI 53 DDVP 53 acids alkalis 53 Polybrominated diphenyl ethers 53 noncancer 53 prostaglandin E2 53 perfluorooctanoate PFOA 53 drywall emits 53 fumonisins 53 soy isoflavone 53 neurotoxic effects 53 organophosphorus 53 Creatinine 53 GPx 53 cadmium poisoning 53 cutaneous lupus 53 ozone particulate matter 53 PBDEs polybrominated diphenyl ethers 53 Fumigants 53 TCE PCE 53 polychlorinated biphenyl 53 Testosterone gel 53 globulins 53 organophosphate insecticides 53 prodynorphin 53 inorganic compounds 53 Nitrogen oxide 53 Dieldrin 53 HepG2 cells 53 Intersex fish 53 Nitrosamines 53 proteins nucleic acids 53 epigenetic alterations 53 testicular germ cell 53 organophosphate OP 53 hormonal abnormalities 53 Lactobacilli 53 chlorobenzene 53 candida infections 53 phenoxyethanol 53 breast endometrial 53 pollen dust mites 53 oligomeric 53 bioactive substances 53 nitrogen oxides carbon monoxide 53 dust mites pollen 53 linalool 53 B7 H3 53 Paliperidone ER 53 counterfeit impure 53 abnormal lipid 53 epigenetic changes 53 urinary excretion 53 papillomas 53 NSAID induced GI 53 prostaglandin E1 53 quaternary amines 53 probiotic supplementation 53 sPLA2 53 secondary metabolites 53 bacteriuria 53 5alpha reductase 53 trimethyl 53 hydroxyl radical 53 inducible nitric oxide synthase 53 organophosphate exposure 53 Lindane 53 microbial biofilms 53 p# activation 53 biosynthetic enzymes 53 toxicological studies 53 oxidases 53 another Parkinson's triggering 53 organophosphorous 53 oysters shrimp crabs 53 benzene arsenic 53 nonsteroidal 53 lipid parameters 53 mercury dioxins 53 neurosteroid 53 chondroitin sulphate 53 bacterial parasitic 53 untreated hypothyroidism 53 Dietary fat 53 endocrine hormone 53 Neurotoxicity 53 chlordane 53 immunomodulation 53 chlorinated hydrocarbon 53 cardiac malformations 53 Genetic variation 53 lichen planus 53 APOE genotype 53 organo phosphate 53 sumithrin 53 insects mites 53 peroxidase 53 animal dander 53 antitumor effects 53 pesticides flame retardants 53 neuro protective 53 prothrombotic 53 aromatic amine 53 tetrachlorethylene PCE 53 eotaxin 53 Polychlorinated biphenyls PCBs 53 chemicals 53 salinomycin 53 Hair follicles 53 naturally occurring toxins 53 Probiotic bacteria 53 methyltransferases 53 Sociodemographic 53 phyto estrogen 53 serum antibodies 53 suspected carcinogen 53 inhaled anesthetics 53 Prozac fluoxetine 53 genetic polymorphisms 53 enterotypes 53 particulate matter PM#.# 53 luteolin 53 carbamate 53 cadmium chromium 53 benzophenone 53 IgA antibodies 53 antibacterial antiviral 53 polycyclic aromatic hydrocarbon 53 PPARγ 53 Plant sterols 53 juglone 53 benfotiamine 53 platypus venom 53 androstenone 53 thyroxine T4 53 salicylates 53 hypersensitivity allergic reactions 53 serum retinol 53 cone snails 53 neuritic 53 selective inhibition 53 seborrhea 53 ergotamine 53 allelopathic 53 allergenic proteins 53 carbon tetrachloride 53 endometrial hyperplasia 53 main psychoactive substance 53 microbiological organisms 53 chromosomal aberrations 53 genital defects 53 salivary proteins 53 intact parathyroid hormone 53 immunomodulatory effects 53 Volatile organic compounds 53 postmarketing adverse 53 Genetic variants 53 steroid dexamethasone 53 algal toxins 53 Squalene 53 sirtuin activators 53 airway hyperresponsiveness 53 Fecal bacteria 53 induced hepatotoxicity 53 tricyclic anti depressants 53 antitumoral 53 plasma kallikrein 53 Dehydrogenase 53 esterases 53 Prevotella 53 Lipoic acid 53 proteolytic enzymes 53 2 ethylhexyl phthalate 53 nitrates phosphates 53 Isoflavones 53 flavones 53 Tasigna prolongs 53 M. pneumoniae 53 aminotransferases 53 arsenic chromium 53 elevated ALT 53 irregular menstrual periods 53 clefting 53 antiandrogen 53 ERK signaling 53 inhaled allergens 53 amphibians reptiles birds 53 atmospheric deposition 53 insecticides herbicides fungicides 53 antimicrobial compounds 53 TCE trichlorethylene 53 enkephalins 53 NMDA receptor antagonists 53 facial clefts 53 efflux pumps 53 pharmacologically active 53 thyroid tumors 53 Valproate 53 protein albumin 53 psychoactive effects 53 amine oxidase 53 domperidone 53 brodifacoum 53 IgG antibodies 53 dioxygenase 53 barium chromium 53 retinyl 53 chlamydial infection 53 tiny pteropod 53 renal dysfunction acute renal 53 follicular adenoma 53 mGluR4 activation 53 florbetaben 53 intravenous bisphosphonates 53 gonadotropins 53 eucalyptol 53 vasodilatory 53 gastrointestinal tract lymph nodes 53 serum homocysteine 53 DBPs 53 Selenium supplements 53 sphingolipids 53 Polychlorinated biphenyls 53 carcinogenic substance 53 bezafibrate 53 groundwater contaminant 53 strychnine arsenic 53 nonhematologic adverse reactions 53 hyperinsulinemic euglycemic clamp 53 semicarbazide 53 naturally occurring substances 53 #mg/kg [001] 53 tigecycline 53 vinyl shower curtains 53 glucuronide 53 immunological responses 53 asthma antibiotic resistance 53 reproductive hormones 53 Atopic dermatitis 53 marine biota 53 DHEAS 53 bronchoalveolar 53 unknowingly ingest 53 aminotransferase levels 53 defective CFTR protein 53 plastic hardener 53 observable traits 53 antifibrotic 52 urinary calcium 52 assay detects 52 folate metabolism 52 S. maltophilia 52 trigger allergic reactions 52 testicular tumors 52 potentially carcinogenic 52 parathion 52 biphenyls PCBs 52 anterior pituitary 52 clomipramine 52 Clusterin 52 Ozone disinfection produces 52 Significant teratogenic 52 opioid peptides 52 bile acid metabolism 52 thyroid hormones 52 viruses fungi 52 perfluoroalkyl acids 52 Annex XIV 52 hexachlorobenzene 52 5 HT1A 52 respiratory tract irritation 52 thyroid dysfunction 52 TNF blocker therapy 52 steroid hormones 52 fluorotelomers 52 anticancer activity 52 tibolone 52 powerful neurotoxin 52 deca BDEs 52 immuno modulatory 52 headache abdominal pain 52 allergenicity 52 indoles 52 dihydrotestosterone DHT 52 Tetrahydrocannabinol THC 52 luteinising hormone LH 52 serum selenium 52 diaper dermatitis 52 Sodium nitrite 52 sphingolipid 52 probable carcinogens 52 mammographic density 52 organophosphorus compounds 52 polybrominated diphenyl ethers 52 diethanolamine 52 underlying molecular mechanisms 52 particulate matter nitrogen oxides 52 phosphodiesterase type 5 52 isoprenoid 52 Magnesium deficiency 52 mitochondrial DNA mutations 52 Plasma concentrations 52 isotypes 52 occupationally exposed 52 ammonium salt 52 ototoxic 52 deacetylation 52 female hormone progesterone 52 PVC shower curtains 52 Boldenone steroid 52 serum lipids 52 Proteobacteria 52 halogenated 52 Oxidants 52 neurotrophic 52 caffeic acid 52 thromboxane A2 52 neurodevelopment 52 Butyrate 52 mucosal inflammation 52 Phthalates 52 TGF alpha 52 cadmium selenium 52 neuropsychological deficits 52 β amyloid 52 benzenes 52 diisocyanate 52 BSE prions 52 phosphonate 52 methacrylates 52 biogenic amines occur 52 mtDNA mutations 52 contaminate wheat gluten 52 polybrominated diphenyl ether PBDE 52 hydrogen sulfide ammonia 52 androgen deficiency 52 potent antibacterial 52 hormones secreted 52 unmeasured factors 52 heritable diseases 52 Catechins 52 Aspergillus niger 52 antigenic proteins 52 microtubule targeting 52 bronchopulmonary dysplasia BPD 52 selenium sulfide 52 hydrolase 52 Dimethyl