Safeguarding Animal Health in 2002: Report Now on the Web, Http://www.aphis.usda.gov/vs
2003年1月 · Veterinary Services, U.S. Department of Agriculture, Animal and Plant Health Inspection Service
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關於本電子書
Flyer announcing the publication of "Safeguarding animal health," a report from 2002 by the USDA Animal and Plant Health Inspection Service, Veterinary Services, available online.