Article genotype 106 human 96 controlled study 83 female 83 male 79 adult 68 Humans 64 genetics 58 major clinical study 54 single nucleotide polymorphism 54 Female 43 Male 43 nonhuman 37 genetic association 35 gene frequency 32 Polymorphism, Single Nucleotide 30 genetic variability 30 allele 29 case control study 27 middle aged 27 Adult 26 aged 26 gene 25 Genetic Predisposition to Disease 23 genetic predisposition 23 Middle Aged 22 Case-Control Studies 20 phenotype 20 Genotype 19