1.
Korean Journal of Obstetrics and Gynecology
;
: 1879-1883, 2000.
Article
in Korean
| WPRIM
| ID: wpr-73605
2.
Korean Journal of Obstetrics and Gynecology
;
: 1688-1691, 2000.
Article
in Korean
| WPRIM
| ID: wpr-104127