Time trends in leisure-time physical activity: another perspective.
Yeager
K K
KK
Macera
C A
CA
Eaker
E
E
Merritt
R K
RK
D000328:Adult; D000368:Aged; D015444:Exercise; D005260:Female; D015438:Health Behavior; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008875:Middle Aged; D008910:Minnesota / Q000453:epidemiology; D015995:Prevalence; D012307:Risk Factors