1. Observations on the female reproductive cycle of captive giant tortoises (Geochelone species) using ultrasound scanning;CASARES;Journal of Zoo and Wildlife Medicine,1997
2. Neoplasia in snakes at the National Zoological Park, Washington DC (1978-1997);CATAO-DIAS;Journal of Comparative Pathology,1999
3. Tracheal resection and anastomosis for an intratracheal chondroma in a ball python;DIETHELM;Journal of the American Veterinary Medical Association,1996
4. Partial tracheal obstruction due to chondromas in ball pythons (Python regius);DREW;Journal of Zoo and Wildlife Medicine,1999