Kyu Hee PARK ; Dong Yeung KIM ; Mun Yeung CHA ; Jeong Sik SEO ; Tae Hwan YOO ; Yong Kyoon CHO ; Hoon CHOI ; Bok Rin KIM ; Hong Kyoon LEE
Korean Journal of Obstetrics and Gynecology 1997;40(12):2848-2852
No abstract available. Risk Factors*