1.
Antioquia; s.n; 1986. 235 p. ilus.
Non-conventional
in Spanish
| LILACS
| ID: lil-378061
2.
Bol. Oficina Sanit. Panam
;
93(3): 271-272, sept. 1982.
Article
in Spanish
| LILACS
| ID: lil-373226