1.
Korean Journal of Obstetrics and Gynecology
;
: 226-234, 1993.
Article
in Korean
| WPRIM
| ID: wpr-166266
2.
Korean Journal of Obstetrics and Gynecology
;
: 100-105, 1993.
Article
in Korean
| WPRIM
| ID: wpr-192446
3.
Korean Journal of Perinatology
;
: 94-101, 1993.
Article
in Korean
| WPRIM
| ID: wpr-199923