gene sequence 69 Article 62 human 46 nonhuman 35 Humans 32 controlled study 29 genetics 29 female 23 male 21 Female 19 Male 19 adult 19 RNA 16S 14 middle aged 14 Adult 13 Middle Aged 13 major clinical study 12 genetic variability 11 single nucleotide polymorphism 11 gene expression 10 gene mutation 10 high throughput sequencing 10 bioinformatics 9 clinical article 9 genotype 9 human cell 9 phylogeny 9 prediction 9 unclassified drug 9 bacterial gene 8