Related by context. Frequent words. (Click for all words.) 60 correlational 60 statistically significant correlation 57 causal relation 57 correlations 57 nucleotide sequence 56 etiologic 56 phylogenetic analysis 55 genetic determinants 54 empirical observation 54 epidemiological studies 54 causative 53 elevated CRP 53 causal link 53 covariate 53 pairwise 53 biologically plausible 53 multiplicative 53 Observational studies 52 causal 52 Epidemiological studies 52 neuroimaging studies 52 epidemiologic studies 52 nanobacteria 52 differentially expressed genes 51 quantitative measurements 51 linkage disequilibrium 51 correlation 51 methylation patterns 51 Chlamydia pneumoniae 51 serologic 51 microRNA expression 51 inferential 51 etiological 51 gut microbiota 51 unvalidated 51 genetic polymorphisms 51 histopathological 51 detectability 51 pathophysiologic 51 physiological mechanisms 51 genetic ancestry 50 quantitate 50 macroevolution 50 metabolomic 50 surrogate markers 50 sporadic ALS 50 antibodies bind 50 null hypothesis 50 macromolecule 50 empirical evidence 49 epidemiologically 49 endocrine disruption 49 adiponectin levels 49 neurophysiological 49 molecular biomarkers 49 mycobacterial 49 immunohistochemical 49 microstructural 49 causation 49 untestable 49 multivariate analyzes 49 causal relationship 49 endocrine disrupting 49 genotypic 49 folate deficiency 49 gene amplification 49 neo Darwinism 49 meta analyzes 49 chromosomal regions 49 Cotinine 49 rs# [002] 49 observational studies 49 human microbiome 49 APOE4 49 serum markers 48 amino acid sequences 48 bioassays 48 haematological 48 empirically 48 scientifically valid 48 detectible 48 SARS CoV 48 prognostic significance 48 tumor biopsies 48 Mass spectrometry 48 testable 48 histone modifications 48 inorganic compounds 48 vitamin D receptor 48 studies GWAS 48 pathophysiological 48 genetically encoded 48 physiologically relevant 48 toxicological studies 48 DNA deoxyribonucleic acid 48 glycosylated 48 ethylmercury 48 homologues 48 clinically relevant 48 mammalian genomes 48 aetiology