title: The North Karelia Youth Project. A community-based intervention study on CVD risk factors among 13- to 15-year-old children: study design and preliminary findings.
mesh_terms: D000293:Adolescent; D002318:Cardiovascular Diseases / Q000517:prevention & control*; D005260:Female; D005387:Finland; D006801:Humans; D008297:Male; D008403:Mass Screening; D012306:Risk; D012572:School Health Services; D012907:Smoking