title: Contribution of timetabled physical education to total physical activity in primary school children: cross sectional study.
authors.affiliation: Department of Endocrinology and Metabolism, Peninsula Medical School, Derriford Hospital, Plymouth PL6 8DH.
authors.forename: Katie M
authors.initials: KM
authors.lastname: Mallam
authors.forename: Brad S
authors.initials: BS
authors.lastname: Metcalf
authors.forename: Joanne
authors.initials: J
authors.lastname: Kirkby
authors.forename: Linda D
authors.initials: LD
authors.lastname: Voss
authors.forename: Terence J
authors.initials: TJ
authors.lastname: Wilkin
mesh_terms: D002648:Child; D003430:Cross-Sectional Studies; D004739:England; D015444:Exercise; D005260:Female; D006801:Humans; D008297:Male; D010806:Physical Education and Training / Q000379:methods / Q000706:statistics & numerical data*; D010809:Physical Fitness; D012572:School Health Services; D012574:Schools; D013997:Time Factors