1.
Foro mundial de la salud
; 11(4): 448-453, 1990.
Article
in Spanish
| AIM
| ID: biblio-1262055
2.
Forum mond. santé
; 11(4): 478-483, 1990.
Article
in French
| AIM
| ID: biblio-1262100
3.
World health forum
; 11(4): 440-446, 1990.
Article
in English
| AIM
| ID: biblio-1273775