Aged Humans Middle Aged female human 143 Female 141 aged 133 adult 129 Male 127 male 127 article 119 Adult 105 controlled study 85 priority journal 82 middle aged 60 major clinical study 50 clinical article 48 Adolescent 37 Argentina 33 adolescent 33 Aged, 80 and over 29 Child 25 child 21 Animals 19 human cell 19 protein expression 19 clinical trial 18 Article 16 Severity of Illness Index 16 Treatment Outcome 16