title: Changes in physical activity from walking to school.
authors: Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, California, USA. sirard@epi.umn.edu
authors: John R
authors: JR
authors: Sirard
authors: Sofiya
authors: S
authors: Alhassan
authors: Tirzah R
authors: TR
authors: Spencer
authors: Thomas N
authors: TN
authors: Robinson
mesh_terms: D002648:Child; D002652:Child Behavior / Q000502:physiology*; D015444:Exercise; D005260:Female; D006293:Health Promotion / Q000379:methods*; D006801:Humans; D008297:Male; D010865:Pilot Projects; D012574:Schools; D013334:Students; D013997:Time Factors; D014186:Transportation / Q000379:methods*; D016138:Walking / Q000706:statistics & numerical data