Methods and results.
D000818:Animals; D001230:Aspergillus / Q000302:isolation & purification; D004754:Enterobacter / Q000302:isolation & purification; D004781:Environmental Exposure; D006168:Guinea Pigs; D006801:Humans; D006969:Hypersensitivity, Immediate; D010407:Penicillium / Q000302:isolation & purification; D011009:Pneumoconiosis / Q000276:immunology* / Q000473:pathology; D011817:Rabbits; D012882:Skin Tests