Evaluation of cigarette smoking among adolescents: the Muscatine study.
D000293:Adolescent; D000294:Adolescent Behavior; D002648:Child; D005260:Female; D006801:Humans; D007484:Iowa; D008137:Longitudinal Studies; D008297:Male; D011897:Random Allocation; D012463:Saliva / Q000032:analysis; D000074606:Smoking Prevention; D012959:Socioeconomic Factors; D012962:Sociology, Medical; D011795:Surveys and Questionnaires; D013861:Thiocyanates / Q000032:analysis
D013861:Thiocyanates