1.
Korean Journal of Obstetrics and Gynecology
;
: 2967-2977, 1993.
Article
in Korean
| WPRIM
| ID: wpr-52211
2.
Korean Journal of Obstetrics and Gynecology
;
: 2993-2999, 1993.
Article
in Korean
| WPRIM
| ID: wpr-52208