Kim, Sun-wook; Ohn, Jung H.; Kim, Nak-Hyun; Kim, Eun S.; Lim, Yejee; Lee, Jongchan; Kim, Hye W.; Ryu, Jiwon; Park, Hee-Sun; Suh, Koung J.; Kim, Ji-Won; Kim, Jin W.; Kim, Se H.; Kim, Yu J.; Lee, Keun-Wook; Kim, Jee H.; Lee, Jong S.; Jang, Hak C.
BMC Health Services Research, 23:1367