1.
Rev. Soc. Bras. Med. Trop
;
24(3): 177-9, jul.-set. 1991. tab
Article
in Portuguese
| LILACS
| ID: lil-141317
2.
Southeast Asian J Trop Med Public Health
;
1973 Mar; 4(1): 11-4
Article
in English
| IMSEAR
| ID: sea-30743
3.
Southeast Asian J Trop Med Public Health
;
1972 Sep; 3(3): 303-9
Article
in English
| IMSEAR
| ID: sea-34925