title: The McMaster School Injury Study. 1: Overview of methods.
mesh_terms: D000059:Accidents; D000293:Adolescent; D002648:Child; D003625:Data Collection / Q000379:methods*; D006801:Humans; D009864:Ontario; D010865:Pilot Projects; D012574:Schools; D014947:Wounds and Injuries / Q000453:epidemiology