Male adult aged human male 163 Female 152 Humans 151 Aged 149 female 143 Middle Aged 141 article 135 Adult 125 controlled study 109 priority journal 106 major clinical study 72 middle aged 58 Adolescent 49 clinical article 47 adolescent 43 Argentina 41 Aged, 80 and over 38 Child 35 child 29 Animals 26 human cell 26 Article 22 human tissue 22 protein expression 22 Child, Preschool 21 nonhuman 19