CIGARETTES, SCHOOL CHILDREN, AND LUNG CANCER.
D000293:Adolescent; D002648:Child; D006266:Health Education; D006801:Humans; D008175:Lung Neoplasms; D011315:Preventive Medicine; D012907:Smoking
ADOLESCENCE; CHILD; HEALTH EDUCATION; LUNG NEOPLASMS; PREVENTIVE MEDICINE; SMOKING