Peptic ulceration and work. A survey of pre- and post-operation absence in male explosive workers suffering from chronic peptic ulcertion.
D000041:Absenteeism; D006801:Humans; D008297:Male; D009787:Occupational Medicine; D010437:Peptic Ulcer / Q000601:surgery*; D010439:Peptic Ulcer Perforation / Q000601:surgery*