1. Immunologic response to different determinants of benzylpenicillin, amoxicillin, and ampicillin. Comparison between urticaria and anaphylactic shock
2. 3) Consideration of the Human Health Impact of the Microbial Effects of Antimicrobial New Animal Drugs Intended for Use in Food-Producing Animals, Guidance for Industry 78, U.S. Food and Drug Administrations, December 1999.
3. 4) Penicillins Summary Report, Council Regulation No. 2377/90, Committee for Veterinary Medicinal Products, The European Agency for the Evaluation of Medicinal Products.
4. 5) Tolerance for Residues of New Animal Drugs in Food, Code of Federal Regulations, Title 21, Part 556, U.S. Food and Drug Administration.