1.
Journal of the Korean Pediatric Society
;
: 772-779, 1990.
Article
in Korean
| WPRIM
| ID: wpr-32976
2.
Journal of the Korean Pediatric Society
;
: 705-712, 1989.
Article
in Korean
| WPRIM
| ID: wpr-168973
3.
Journal of the Korean Pediatric Society
;
: 1128-1131, 1989.
Article
in Korean
| WPRIM
| ID: wpr-184434