[THE COURSE OF CHRONIC ULCERS IN MINERS COMPARED WITH A GROUP OF METALLURGISTS AND WORKERS IN OTHER PROFESSIONS].
D003032:Coal Mining; D006801:Humans; D009784:Occupational Diseases; D010437:Peptic Ulcer; D012871:Skin Diseases; D014456:Ulcer
COAL MINING; OCCUPATIONAL DISEASES; PEPTIC ULCER
PRZEBIEG CHOROBY WRZODOWEJ U G'ORNIK'OW W POR'OWNANIU Z GRUP A HUTNIK'OW I PRACOWNIK'OW FIZYCZNYCH NALEZ ACYCH DO INNYCH ZAWOD'OW.