Related by context. Frequent words. (Click for all words.) 74 serologic 63 histopathological 62 virological 61 genotypic 60 Western blot 60 immunohistochemical 60 phylogenetic analysis 58 histologic 58 seropositive 57 virologic 57 Western Blot 57 PCV2 57 histopathology 56 haematological 56 peripheral blood mononuclear 56 morphologic 56 enzyme linked immunosorbent 56 seroprotection 55 RT PCR 55 sensitivity specificity 54 Chlamydia trachomatis 54 IgM 54 serotype 54 situ hybridization 54 Immunogenicity 54 highly pathogenic H#N# virus 54 ultrasonography 54 vitro experiments 53 genotype 53 bioassays 53 sonographic 53 biopsy specimens 53 viremia 53 immunological 53 NGAL 53 sputum samples 53 serum samples 53 P. falciparum 53 immunohistochemistry 53 univariate 53 skin prick 52 enteroviruses 52 highly pathogenic avian influenza 52 Pharmacokinetic 52 immunofluorescence 52 IgG antibodies 52 Radiographs 52 titers 52 fecal samples 52 Conclusions 52 ANOVA 52 neutralizing antibody 52 HCV infected 52 epidemiological surveillance 52 chemoprophylaxis 51 WNV infection 51 HSCT 51 rheumatoid factor 51 genotypes 51 herpesvirus 51 Scrapie 51 HPAI 51 liver transplant recipients 51 confirmatory tests 51 pneumococcal vaccination 51 rhesus 51 multivariate analyzes 51 confirmatory testing 51 aspergillosis 51 avian influenza H#N# 51 neoadjuvant therapy 51 antiviral therapy 51 PCR amplification 51 Influenza A/H#N# 51 FDG PET 51 antibody responses 51 Plasmodium falciparum 51 H. pylori infection 51 univariate analysis 51 throat swab 51 H5 virus 50 low pathogenic avian 50 Dengue virus 50 ELISA 50 Bt toxin 50 logistic regression 50 cytogenetic 50 pulmonary TB 50 K RAS 50 epidemiologic studies 50 BRAF mutation 50 L. monocytogenes 50 antibody titers 50 microbiological 50 D dimer 50 epidemiologic 50 estrogen receptor ER 50 KRAS mutations 50 retrospective cohort study 50 HPV# 50 vitro studies