1. Endoscopic examination of avian gonadal tissues;Harrison;Vet Med Small Anim Clin,1978
2. Endoscopic examination and biopsy techniques;Taylor,1994
3. Diagnostic endoscopy;Divers,2014
4. Exotic mammal diagnostic and surgical endoscopy;Divers,2012
5. Minimally invasive surgical techniques in bony fish (Osteichthyes);Stetter;Vet Clin North Am Exot Anim Pract,2010