1.
Mem. Inst. Oswaldo Cruz
;
86(3): 365-6, jul.-set. 1991. ilus, tab
Article
in English
| LILACS
| ID: lil-109178
2.
Bol. inf. CENETROP
;
9(1): 13-20, 1983. ilus
Article
in Spanish
| LILACS
| ID: lil-94434