1.
Bull. W.H.O. (Print)
; 58(3): 459-468, 1980.
Article
in English
| WHO IRIS
| ID: who-262010
2.
Bull. W.H.O. (Print)
; 57(6): 931-936, 1979.
Article
in English
| WHO IRIS
| ID: who-261942
3.
Bull. W.H.O. (Print)
; 56(4): 619-627, 1978.
Article
in English
| WHO IRIS
| ID: who-261772
4.
Geneva; World Health Organization; 1975. (WHO/MAL/75.863).
in English
| WHO IRIS
| ID: who-65730