1.
Korean Journal of Obstetrics and Gynecology
;
: 3312-3316, 1993.
Article
in Korean
| WPRIM
| ID: wpr-115674
2.
Korean Journal of Obstetrics and Gynecology
;
: 1630-1639, 1992.
Article
in Korean
| WPRIM
| ID: wpr-145860