by Ha, Kee Yong, Lee, Kee Haeng, Kim, Ki Won, Rhyu, Kee Won, Ha, Ran Kyung
Published in The journal of the Korean Orthopaedic Association (1997)

by Suh, Tae-Kyu, Shin, In-Chul, Kang, Ju-Seop, Koh, Hyun-Chul, Ha, Kyung-Ran, Kosakai, Kazuhiro
Published in Japanese Journal of Pharmacology (1994)

by Lee, Seung Koo, Kwon, Soon Yong, Lee, Nam Gee, Kim, Ki Won, Ha, Ran Kyung
Published in The journal of the Korean Orthopaedic Association (1995)

by Suh, Tae-Kyu, Shin, In-Chul, Kang, Ju-Seop, Koh, Hyun-Chul, Ha, Kyung-Ran, Kosakai, Kazuhiro
Published in Japanese journal of pharmacology (1994)