1.
Korean Journal of Obstetrics and Gynecology
;
: 1571-1576, 1993.
Article
in Korean
| WPRIM
| ID: wpr-123350
2.
Korean Journal of Obstetrics and Gynecology
;
: 1594-1601, 1993.
Article
in Korean
| WPRIM
| ID: wpr-123347
3.
Korean Journal of Perinatology
;
: 104-108, 1992.
Article
in Korean
| WPRIM
| ID: wpr-124911
4.
Korean Journal of Obstetrics and Gynecology
;
: 1800-1809, 1992.
Article
in Korean
| WPRIM
| ID: wpr-16478