1.
Southeast Asian J Trop Med Public Health
;
1992 ; 23 Suppl 3(): 110-3
Article
in English
| IMSEAR
| ID: sea-33866
2.
Southeast Asian J Trop Med Public Health
;
1990 Sep; 21(3): 334-46
Article
in English
| IMSEAR
| ID: sea-34216