[Alcohol drinking patterns among members of the self-defence fire brigade in Yokohama City].
D000328:Adult; D000367:Age Factors; D000428:Alcohol Drinking; D005390:Fires; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D011795:Surveys and Questionnaires