Smoking behaviour of rural school boys.
Singhi
S
S
Broca
J S
JS
Mathur
G M
GM
D000293:Adolescent; D000294:Adolescent Behavior; D000328:Adult; D002648:Child; D006801:Humans; D007194:India; D008297:Male; D012424:Rural Population; D012907:Smoking / Q000453:epidemiology* / Q000523:psychology