1.
Salud Publica Mex
; 11(1): 83-92, 1969.
Article
in Spanish
| MEDLINE
| ID: mdl-5345198
2.
Rev Invest Clin
; 19(4): 333-42, 1967.
Article
in Spanish
| MEDLINE
| ID: mdl-5618905
3.
Salud Publica Mex
; 9(5): 761-3, 1967.
Article
in Spanish
| MEDLINE
| ID: mdl-5598132