1.
Korean Journal of Obstetrics and Gynecology
;
: 2237-2242, 2000.
Article
in Korean
| WPRIM
| ID: wpr-213750
2.
Korean Journal of Obstetrics and Gynecology
;
: 1344-1348, 2000.
Article
in Korean
| WPRIM
| ID: wpr-78622