1.
Journal of the Korean Pediatric Society
;
: 558-565, 1991.
Article
in Korean
| WPRIM
| ID: wpr-156280
2.
Journal of the Korean Pediatric Society
;
: 230-239, 1991.
Article
in Korean
| WPRIM
| ID: wpr-106592
3.
Journal of the Korean Pediatric Society
;
: 700-704, 1989.
Article
in Korean
| WPRIM
| ID: wpr-168974