1. Immunological consequences of antimicrobials in animal feeds;ADKINSON,1980
2. Antigens in penicillin allergy III;AHLSTEDT;International Archives of Allergy and Applied Immunology,1979
3. Effect of penicillinase on circulating penicillin;BECKER;New England Journal of Medicine,1956
4. Possibilities of allergisation and production of allergic symptoms after ingestion of food containing antibiotics (in German);BECKER;Archivfur Lebensmittelhygiene,1976
5. Repeated anaphylactic reactions in a patient highly sensitized to penicillin;BIERLEIN;Annals of Allergy,1956