1. Medicine storage: refrigerator set‐up;Carr J.;Swine Health and Production,1996
2. Refrigeration management;Carr J.;Pig Veterinary Journal,1999
3. Medicine refrigerator management: a key component to health maintenance;Carr J.;16th International Pig Veterinary Society Congress,2000
4. Medicine controls – who controls the refrigerator?;Carr J.;Iowa State University Swine Disease Conference,2001