1. The end of antibiotics;Begley;Newsweek Magazine, March 28,1994
2. Compendium of Veterinary Products,1993
3. Risk assessment of foodborne hazards: swine slaughter;Beran,1994
4. Costs of on-farm sulfa detection for swine producers;Berger,1994
5. Costs of swine packer level sulfa detection;Berger,1994