Pigeon breeder's disease and P blood groups.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000542:Alveolitis, Extrinsic Allergic / Q000276:immunology*; D000906:Antibodies / Q000032:analysis; D001716:Bird Fancier's Lung / Q000175:diagnosis / Q000276:immunology*; D001789:Blood Group Antigens / Q000276:immunology*; D002908:Chronic Disease; D006388:Hemagglutinins / Q000032:analysis; D006801:Humans; D008875:Middle Aged; D010127:P Blood-Group System / Q000276:immunology*; D010641:Phenotype; D011234:Precipitins / Q000032:analysis
D000906:Antibodies; D001789:Blood Group Antigens; D006388:Hemagglutinins; D010127:P Blood-Group System; D011234:Precipitins