Howie, E K The 3-year evolution of a preschool physical activity intervention through a collaborative partnership between research interventionists and preschool teachers. [electronic resource] - Health education research Jun 2014 - 491-502 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural ISSN: 1465-3648 Standard No.: 10.1093/her/cyu014 doi Subjects--Topical Terms: Child, PreschoolCooperative BehaviorHealth Promotion--methodsHumansMotor ActivitySchool Health Services--organization & administration