genotype 194 human 166 Humans 127 Article 123 female 113 genetics 113 male 108 controlled study 91 adult 90 single nucleotide polymorphism 84 Genotype 81 Female 70 Male 68 major clinical study 60 Polymorphism, Single Nucleotide 54 nonhuman 50 Biology, life sciences 48 gene frequency 44 genetic association 44 Adult 42 genetic variability 41 phenotype 39 Research & information: general 37 allele 36 middle aged 36 aged 32 case control study 32 Genetic Predisposition to Disease 31 Middle Aged 31 adolescent 31