1. Der zeitliche Verlauf der experimentellen enzootischen Pneumonie beim SPF-Schwein;BERTSCHINGER;Schweizer Archiv fur Tierheilkunde,1972
2. Comparison of methods for measurement of enzootic pneumonia lesions in pigs;DAVIES;American Journal of Veterinary Research,1995
3. Agreement among veterinarians evaluating gross lesions of lungs, livers, and nasal turbinates of pigs;DAVIES;Journal of the American Veterinary Medical Association,1996