by Ryu, Seung-ho, Jang, Jong-duck, Bak, Ung-bok, Lee, Chang- woo, Youn, Hee-jeong, Lee, Yonghoon Lyon
Published in Journal of veterinary science (Suwŏn-si, Korea) (2004)

by Ryu, Seung-ho, Bak, Ung-bok, Lee, Chang-woo, Lee, Yonghoon Lyon
Published in Journal of veterinary science (Suwŏn-si, Korea) (2004)

by Ryu, Seung-ho, Kim, Joon-gyu, Bak, Ung-bok, Lee, Chang-woo, Lee, Yonghoon Lyon
Published in Journal of veterinary science (Suwŏn-si, Korea) (2004)

by Ryu, S H, Bak, U B, Kim, J G, Yoon, H J, Seo, H S, Kim, J T, Park, J Y, Lee, C W
Published in Journal of veterinary science (Suwŏn-si, Korea) (2001)

by Azuma, Ryozo, Ung-Bok, Bak, Murakami, Satoshi, Ishiwata, Hiroyuki, Osaki, Makoto, Shimada, Nobuaki, Ito, Yasuichiro, Miyagawa, Eichi, Makino, Takashi, Kudo, Takuji, Takahashi, Yoko, Yano, Ikuya, Murata, Ryo, Yokoyama, Eiji
Published in International journal of systematic and evolutionary microbiology (01.07.2013)

by Lee, J H, Rim, H J, Bak, U B
Published in Korean journal of parasitology (1993)

by Lee, J H, Yang, H M, Bak, U B, Rim, H J
Published in Korean journal of parasitology (1994)

by Lee, Hi Suk, Bak, Ung Bok, Moon, Mu Hong, Shin, Jong Uk
Published in Korean journal of parasitology (1970)