1.
Korean Journal of Obstetrics and Gynecology
;
: 1300-1307, 1993.
Article
in Korean
| WPRIM
| ID: wpr-44987
2.
Korean Journal of Obstetrics and Gynecology
;
: 2117-2123, 1993.
Article
in Korean
| WPRIM
| ID: wpr-22537