1.
Washington, D.C; Pan Américan Health Organization; 2003. xi,131 p. (PAHO. Occasional Públication, 12).
Monography
in English
| LILACS, PAHO-CUBA
| ID: lil-382628
2.
Washington, D.C; Organización Panamericana de la Salud; 2000. 41 p. tab.(OPS. Publicación Ocasional, 6).
Monography
in Spanish
| LILACS, MINSALCHILE
| ID: lil-381013