Smoking, physical activity, and active life expectancy.
Paffenbarger
R S
RS
Stanford University School of Medicine, California, USA.
Lee
I M
IM
D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008017:Life Expectancy; D008297:Male; D009017:Morbidity; D010809:Physical Fitness; D012907:Smoking