1.
Korean Journal of Obstetrics and Gynecology
;
: 3426-3435, 1993.
Article
in Korean
| WPRIM
| ID: wpr-24837
2.
Korean Journal of Obstetrics and Gynecology
;
: 3477-3484, 1993.
Article
in Korean
| WPRIM
| ID: wpr-24832