adult article female human priority journal male 235 Female 205 controlled study 205 Humans 201 Male 179 Adult 172 Middle Aged 118 clinical article 117 aged 112 major clinical study 90 Aged 78 Adolescent 54 human cell 46 Argentina 40 adolescent 40 Young Adult 31 human experiment 31 clinical trial 30 normal human 29 Time Factors 28 protein expression 28 Case-Control Studies 26 human tissue 25 Brain 23 controlled clinical trial 22