1.
World Health Forum (WHO)
; 15(4): 358-62, 1994. tab
Article
in English
| PAHO
| ID: pah-19144
2.
Foro Mundial de la Salud (OMS)
; 15(4): 390-5, 1994.
Article
in Spanish
| PAHO
| ID: pah-20344
3.
Article
in French
| WHO IRIS
| ID: who-46845
4.
Article
in English
| WHO IRIS
| ID: who-45383
5.
Article
in Spanish
| WHO IRIS
| ID: who-49991