1.
Bulletin of the World Health Organization (WHO)
; 54(1): 1-10, 1976.
Article
in English
| PAHO
| ID: pah-4720
2.
3.
Medicina (B.Aires)
; 32(1): 32-6, 1972 Jan-Feb.
Article
in Spanish
|
LILACS-Express
| BINACIS
| ID: biblio-1163829