1.
Washington, D.C; Pan Américan Health Organization; 2000. 32 p.
Monography
in English
| LILACS
| ID: lil-380891
2.
Washington, D.C; Organización Panamericana de la Salud; 2000. 37 p. tab.(OPS. Informe Tecnico, 6).
Monography
in Spanish
| LILACS
| ID: lil-381026
3.
Washington, D.C; Pan Américan Health Organization; 2000. 32 p.
Monography
in English
| LILACS, MINSALCHILE
| ID: lil-381365
4.
Washington, D.C; Organización Panamericana de la Salud; jul. 1992. 35 p.
Monography
in Spanish
| LILACS
| ID: lil-370523