1.
Boletín de la Oficina Sanitaria Panamericana (OSP)
; 112(5): 406-12, mayo 1992. Tab
Article
in Spanish
| PAHO
| ID: pah-11095
2.
Bol. Oficina Sanit. Panam
; 112(5): 406-412, mayo 1992. tab
Article
in Spanish
| LILACS
| ID: lil-370399
3.
Bulletin of the Pan American Health Organization (PAHO)
; 26(2): 121-7, 1992. Tab
Article
in English
| PAHO
| ID: pah-11496
4.
Bull. Pan Am. Health Organ
; 26(2): 121-127, 1992. tab
Article
in English
| LILACS
| ID: lil-371074
5.
Boletín de la Oficina Sanitaria Panamericana (OSP)
; 112(5),mayo 1992 Tab
Article
| PAHO-IRIS
| ID: phr-16516
6.
Bulletin of the Pan American Health Organization (PAHO)
; 26(2),1992 Tab
Article
| PAHO-IRIS
| ID: phr-27044