Comparison of mortality rates among bidi smokers and tobacco chewers.
D000293:Adolescent; D000328:Adult; D006801:Humans; D007194:India; D007972:Leukoplakia, Oral / Q000209:etiology / Q000401:mortality*; D008297:Male; D008409:Mastication; D010947:Plants, Toxic; D012907:Smoking; D019966:Substance-Related Disorders / Q000401:mortality*; D014026:Nicotiana