1.
Journal of the Korean Pediatric Society
;
: 291-298, 1990.
Article
in Korean
| WPRIM
| ID: wpr-40324
2.
Journal of the Korean Pediatric Society
;
: 220-224, 1990.
Article
in Korean
| WPRIM
| ID: wpr-7593
3.
Journal of the Korean Pediatric Society
;
: 246-251, 1990.
Article
in Korean
| WPRIM
| ID: wpr-7588