title: A clinical and physiologic study of grain handlers.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D009783:Dermatitis, Occupational / Q000453:epidemiology; D002523:Edible Grain; D004781:Environmental Exposure; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000453:epidemiology; D011009:Pneumoconiosis / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology*; D011014:Pneumonia / Q000453:epidemiology; D012129:Respiratory Function Tests; D012907:Smoking