1. Highlights of National Animal Health Monitoring System Feedlot’99 Part III. Info Sheet Veterinary Services;A.P.H.I.S.,2000
2. Treatment of respiratory disease in US feedlots. Info Sheet Veterinary Services;A.P.H.I.S.,2001
3. An evaluation of antimicrobial therapy for undifferentiated bovine respiratory disease;BATEMAN, K.G.; MARTIN, S.W.; SHEWEN, P.E.; MENZIES, P.I.;Canadian Veterinary Journal,1990