1.
Southeast Asian J Trop Med Public Health
; 1999 ; 30 Suppl 2(): 183-5
Article
in English
| IMSEAR
| ID: sea-36102
2.
Southeast Asian J Trop Med Public Health
; 1999 ; 30 Suppl 2(): 181-2
Article
in English
| IMSEAR
| ID: sea-35403