1.
Korean Journal of Obstetrics and Gynecology
;
: 2853-2860, 1997.
Article
in Korean
| WPRIM
| ID: wpr-13712
2.
Korean Journal of Obstetrics and Gynecology
;
: 1223-1230, 1993.
Article
in Korean
| WPRIM
| ID: wpr-213622