1.
Mem. Inst. Oswaldo Cruz
;
89(1): 123-5, jan.-mar. 1994.
Article
in English
| LILACS
| ID: lil-155822
2.
Mem. Inst. Oswaldo Cruz
;
89(1): 127-8, jan.-mar. 1994. graf
Article
in English
| LILACS
| ID: lil-155823