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3. Endoscopy in exotic species;Cooper,1991
4. Cloacoscopy in reptiles;Coppoolse;Vet Q,1985
5. Endoscopic evaluation of the esophagus and stomach in three loggerhead sea turtles (Caretta caretta) and a Malaysian giant turtle (Orlitia borneensis);Pressler;J Zoo Wildl Med,2003