1. Rectoanal Disease;Zoran,2005
2. Functional anatomy of the digestive system;Grandage,2003
3. Miller's Anatomy of the Dog;Evans,1993
4. Detection and avoidance of a carnivore odor by prey;Ferrero;Proc Nat Acad Sci,2011
5. Disorders of the perineum and anus;Williams,2005