Sarcopenia and physical performance in old age: introduction.
Schwartz
R S
RS
Harborview Medical Center, Seattle, Washington 98104, USA.
D017677:Age Distribution; D000375:Aging / Q000502:physiology*; D006801:Humans; D009133:Muscular Atrophy / Q000503:physiopathology*; D013647:Task Performance and Analysis