1.
Washington, D.C; Organización Panamericana de la Salud; 1999. 16 p. (PAHO/OPS/ACHR/CAIS 99/07).
Monography
in Spanish
| LILACS
| ID: lil-380417
2.
Washington, D.C; Pan Américan Health Organization; 1999. 13 p. (PAHO/OPS/ACHR/CAIS 99/07).
Monography
in English
| LILACS
| ID: lil-380730
3.
Washington, D.C; Organización Panamericana de la Salud; abr. 1988. 10 p.
Monography
in Spanish
| LILACS
| ID: lil-367169
4.
México; s.n; 1987. 37 p. ilus.
Non-conventional
in English
| LILACS
| ID: lil-379510