1.
Korean Journal of Obstetrics and Gynecology
;
: 1178-1183, 1993.
Article
in Korean
| WPRIM
| ID: wpr-213629
2.
Korean Journal of Obstetrics and Gynecology
;
: 1849-1854, 1993.
Article
in Korean
| WPRIM
| ID: wpr-80897