1.
Southeast Asian J Trop Med Public Health
; 1974 Dec; 5(4): 524-33
Article
de Anglais
| IMSEAR
| ID: sea-30874
2.
Southeast Asian J Trop Med Public Health
; 1971 Mar; 2(1): 73-81
Article
de Anglais
| IMSEAR
| ID: sea-36158