1.
Bulletin of the World Health Organization (WHO)
; 56(6): 919-22, 1978.
Article
in English
| PAHO
| ID: pah-5418
2.
Bulletin of the World Health Organization (WHO)
; 47(4): 497-501, 1972.
Article
in English
| PAHO
| ID: pah-39804
3.
Bulletin of the World Health Organization (WHO)
; 47(4): 527-30, 1972.
Article
in English
| PAHO
| ID: pah-39809
4.
Bulletin of the World Health Organization (WHO)
; 40(2): 287-94, 1969.
Article
in English
| PAHO
| ID: pah-38715
5.
Bulletin of the World Health Organization (WHO)
; 34(6): 877-84, 1966.
Article
in English
| PAHO
| ID: pah-38131