1.
Washington, D.C; Pan American Health Organization; 2003,. 48 p. (PAHO. Series/DPC/CD/P/242/03). (PAHO/DPC/CD/P/242/03).
Monography
in Spanish
| PAHO
| ID: pah-244508
2.
Washington, D.C; Pan Américan Health Organization; 2003. 48 p. (PAHO. Series/DPC/CD/P/242/03). (PAHO/DPC/CD/P/242/03).
Monography
in English
| LILACS
| ID: lil-382653