#Petrus, D J, Nicholls, P K and Gregory, S P (2001) Megacolon secondary to autonomic ganglioneuritis in a dog. ''The Veterinary Record'', '''148(9)''', 276-277. | #Petrus, D J, Nicholls, P K and Gregory, S P (2001) Megacolon secondary to autonomic ganglioneuritis in a dog. ''The Veterinary Record'', '''148(9)''', 276-277. |