Physical activity measurement in children.
Batty
D
D
D000063:Accidents, Traffic / Q000517:prevention & control*; D001315:Australia; D002648:Child; D002675:Child, Preschool; D003625:Data Collection; D015444:Exercise; D005260:Female; D015438:Health Behavior; D006801:Humans; D008297:Male; D010809:Physical Fitness; D010988:Play and Playthings; D011159:Population Surveillance