1.
Washington, D.C; Organización Panamericana de la Salud; Oct. 1994. 48 p. tab. (OPS/HPP/HPN/9/94).
Monography
in English
| LILACS
| ID: lil-372926
2.
Washington, D.C; Pan Américan Health Organization; Oct. 1994. 45 p. tab. (PAHO/HPP/HPN/9/94).
Monography
in English
| LILACS
| ID: lil-372927