[Olfactory disorders in chemical plant workers exposed to SO2 and/or NH3].
D000328:Adult; D000641:Ammonia / Q000506:poisoning*; D004056:Differential Threshold; D004781:Environmental Exposure; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000139:chemically induced*; D000857:Olfaction Disorders / Q000139:chemically induced*; D013458:Sulfur Dioxide / Q000506:poisoning*
D013458:Sulfur Dioxide; D000641:Ammonia