title: Cigarette smoking among Beijing (Peking) high schoolers.
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D000367:Age Factors; D002648:Child; D002681:China; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors; D012907:Smoking; D014481:United States