The demonstration of antibodies to para-aminosalicylic acid in human serum.
D000636:Aminosalicylic Acids; D000818:Animals; D000906:Antibodies / Q000032:analysis*; D000941:Antigens; D004342:Drug Hypersensitivity / Q000276:immunology*; D006241:Haptens; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006801:Humans; D008722:Methods; D012756:Sheep; D005719:gamma-Globulins / Q000032:analysis
D000636:Aminosalicylic Acids; D000906:Antibodies; D000941:Antigens; D006241:Haptens; D005719:gamma-Globulins