human major clinical study female 256 male 252 adult 244 article 237 Humans 220 controlled study 216 priority journal 210 Male 194 Female 193 Adult 147 Middle Aged 125 aged 118 Argentina 105 Aged 90 Article 78 adolescent 71 Adolescent 63 child 63 Child 48 middle aged 47 nonhuman 37 Human 34 risk factor 33 Child, Preschool 32 human tissue 31 Aged, 80 and over 30 prevalence 30 human cell 29