Protecting pigeon-handlers.
D000328:Adult; D000818:Animals; D010856:Columbidae; D004781:Environmental Exposure; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology / Q000517:prevention & control*; D005779:Immunodiffusion; D008297:Male; D008397:Masks; D009784:Occupational Diseases / Q000209:etiology / Q000517:prevention & control*; D011234:Precipitins / Q000032:analysis; D012220:Rhinitis / Q000209:etiology; D012882:Skin Tests
D011234:Precipitins