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Dr. Crivolio's present address is Mira Lagos Animal Clinic, Mansfield, TX 76063.
Dr. Henry's present address is Veterinary Specialty Hospital, San Diego, CA 92121.
Dr. George's present address is Hueytown Veterinary Clinic, Hueytown, AL 35023.
Dr. Kottwitz's present address is the College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824.
Ms. Burke was a second and third year veterinary student at the time of the study.
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