1.
Boletín de la Oficina Sanitaria Panamericana (OSP)
; 64(1): 52-68, ene. 1968. Tab
Article
in Spanish
| PAHO
| ID: pah-36226
2.
Washington, D.C; Pan American Sanitary Bureau; 1967. 23 p. (CD17/DT/4).
Monography
in English
| PAHO
| ID: pah-48960
3.
Washington, D.C; Oficina Sanitaria Panamericana; 1967. 23 p. (CD17/DT/4).
Monography
in Spanish
| PAHO
| ID: pah-48917
4.
Non-conventional
| PAHO-IRIS
| ID: phr-5780
5.
Non-conventional
| PAHO-IRIS
| ID: phr-5735
6.
Boletín de la Oficina Sanitaria Panamericana (OSP)
; 64(1),ene. 1968 Tab
Article
| PAHO-IRIS
| ID: phr-12766