1.
Korean Journal of Perinatology
;
: 384-387, 2001.
Article
in Korean
| WPRIM
| ID: wpr-191720
2.
Korean Journal of Obstetrics and Gynecology
;
: 1731-1737, 2000.
Article
in Korean
| WPRIM
| ID: wpr-223575
ABSTRACT
No abstract available.