Tong, Seo-Yun; Lee, Jong-Min; Choi, Young-Joon; Lee, Jae-Kwan; Kim, Mi-Kyung; Cho, Chi-Heum; Kim, Seok-Mo; Park, Sang-Yoon; Park, Chan-Yong; Kim, Ki-Tae
ArticleIssue Date2012CitationJOURNAL OF OBSTETRICS AND GYNAECOLOGY RESEARCH, v.38, no.11, pp 1321 - 1327PublisherWILEY-BLACKWELL