Lee, Won-Moo; Park, Sang-Il; Kim, Beob-Jong; Kim, Moon-Hong; Choi, Seok-Cheol; Lee, Eui-Don; Ryu, Sang-Young
ArticleIssue Date2012CitationEuropean Journal of Obstetrics and Gynecology and Reproductive Biology, v.161, no.2, pp.219 - 223PublisherElsevier Ireland Ltd