1.
Korean Journal of Obstetrics and Gynecology
;
: 2063-2066, 1993.
Article
in Korean
| WPRIM
| ID: wpr-22547
2.
Korean Journal of Obstetrics and Gynecology
;
: 1776-1780, 1991.
Article
in Korean
| WPRIM
| ID: wpr-226383