Affiliation: | Haemaru Referral Animal Hospital, Seongnam, Gyeonggi-do, 463-050, Republic of Korea (Lee, M. Choi, Keh, Oh, Seo, H. Choi, Kim); College of Veterinary Medicine and the Research Institute for Veterinary Science, Seoul National University, Seoul, 151-742, Republic of Korea (Yoon). |