1.
Bol. hig. epidemiol
; 4(1): 83-93, ene.-mar. 1966. graf
Article
in Spanish
| CUMED
| ID: cum-11616
2.
Bol. hig. epidemiol
; 4(3/4): 214-20, 1966. tab, ilus
Article
in Spanish
| CUMED
| ID: cum-10463
3.
Rev. cuba. med
; 5(4): 419-425, 1966. graf
Article
in Spanish
| CUMED
| ID: cum-74792