1. Code of Federal Regulations. Title 9, Animals and Animal Products (9CFR).
2. EMEA/CVMP/042/97-rev.1-final. Committee for Veterinary Medicinal Products, revised position paper on indications for veterinary vaccines.
3. EMEA/CVMP/682/99-final. Committee for Veterinary Medicinal Products, Note for Guidance: duration of protection achieved by veterinary vaccines.
4. EMEA/CVMP/852/99-final. Committee for Veterinary Medicinal Products, Note for Guidance: field trials with veterinary vaccines.
5. EMEA/CVMP/816/00-final. Committee for Veterinary Medicinal Products, Guideline on statistical principles for veterinary clinical trials.