Letter: Adenocarcinoma and smoking.
D000230:Adenocarcinoma / Q000453:epidemiology*; D001208:Asia; D001984:Bronchial Neoplasms / Q000453:epidemiology*; D005060:Europe; D005260:Female; D006801:Humans; D007564:Japan; D008175:Lung Neoplasms / Q000453:epidemiology*; D008297:Male; D009656:North America; D012737:Sex Factors; D012907:Smoking