1.
Korean Journal of Obstetrics and Gynecology
;
: 1615-1619, 1993.
Article
in Korean
| WPRIM
| ID: wpr-123344
2.
Korean Journal of Obstetrics and Gynecology
;
: 3221-3225, 1993.
Article
in Korean
| WPRIM
| ID: wpr-17694