[Physical activity prevalence study in Shanghai city].
Li
Yang
Y
Li
Wei-Ting
WT
Fan
Ben-Hao
BH
Fu
Hua
H
D000293:Adolescent; D000328:Adult; D000368:Aged; D002681:China / Q000453:epidemiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009043:Motor Activity; D014505:Urban Population; D055815:Young Adult