1.
Foro mundial de la salud
; 11(1): 108-113, 1990.
Article
in Spanish
| AIM
| ID: biblio-1262044
2.
Forum mond. santé
; 11(1): 119-125, 1990.
Article
in French
| AIM
| ID: biblio-1262090
3.
World health forum
; 11(1): 108-113, 1990.
Article
in English
| AIM
| ID: biblio-1273765