Subjects: SMOKELESS tobacco; ADULTS; DATA analysisBANGLADESH; PAKISTAN; SOUTH Asia
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Subjects: PASSIVE smoking; SCHOOL children; EDUCATIONAL surveysBANGLADESH
Subjects: SMOKELESS tobacco; SMOKING cessation; LOYALTYPAKISTAN
Subjects: PASSIVE smoking -- Law & legislation; ANALYSIS of variance; CHI-squared testENGLAND