World-wide differences in the sex ratio of bronchial carcinoma.
D000230:Adenocarcinoma / Q000453:epidemiology; D000349:Africa; D001208:Asia; D001984:Bronchial Neoplasms / Q000453:epidemiology* / Q000209:etiology; D002277:Carcinoma / Q000453:epidemiology / Q000209:etiology; D005060:Europe; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D008297:Male; D009656:North America; D012737:Sex Factors; D012744:Sex Ratio; D012907:Smoking