1.
Journal of the Korean Academy of Family Medicine
;
: 51-62, 1991.
Article
in Korean
| WPRIM
| ID: wpr-225279
2.
Journal of the Korean Academy of Family Medicine
;
: 63-70, 1991.
Article
in Korean
| WPRIM
| ID: wpr-191357
3.
Journal of the Korean Academy of Family Medicine
;
: 53-65, 1991.
Article
in Korean
| WPRIM
| ID: wpr-33133