1.
Rev Invest Salud Publica
; 27(3): 233-44, 1967.
Article
in Spanish
| MEDLINE
| ID: mdl-4301930
2.
Rev Latinoam Microbiol Parasitol (Mex)
; 8(1): 9-12, 1966.
Article
in Spanish
| MEDLINE
| ID: mdl-4286235