The health of smokers' and nonsmokers' children.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004777:Environment; D004781:Environmental Exposure; D004812:Epidemiologic Methods; D006801:Humans; D010290:Parents; D012140:Respiratory Tract Diseases / Q000209:etiology / Q000235:genetics*; D012907:Smoking; D011795:Surveys and Questionnaires