Army:10.2460/ajvr.2001.62.398
Army:10.2460/ajvr.2004.65.644
Army:10.2460/javma.229.12.1934
Army:10.2460/javma.2000.216.1418
Army:10.2460/javma.2003.222.340
Army:10.2460/javma.2003.222.624
Army:10.2460/javma.2004.224.1936
Army:10.2460/javma.2005.226.1316