[Effect of passive tobacco smoking on the status of biomechanical factors of respiration in boys aged 7-13].
O A
OA
Gurova
D000293:Adolescent; D016022:Case-Control Studies; D002648:Child; D006801:Humans; D008297:Male; D015656:Respiratory Mechanics; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*
D014028:Tobacco Smoke Pollution