1.
Bulletin of the World Health Organization (WHO)
; 56(4): 619-27, 1978.
Article
in English
| PAHO
| ID: pah-5387
2.
Antibody response in the intestinal secretions of volunteers immunized with various cholera vaccines
Bulletin of the World Health Organization (WHO)
; 52(3): 323-30, 1975.
Article
in English
| PAHO
| ID: pah-4578