1.
Med. lab
; 18(1-2): 37-84, 2012. tab
Article
in Spanish
| LILACS
| ID: biblio-834711
2.
Bogota, D.C; OPS; 2002. 140 p.
Monography
in Spanish
| LILACS
| ID: lil-307251
3.
Bogotá, D.C; OPS; 2001. 16 p.
Monography
in Spanish
| LILACS
| ID: lil-292559
4.
Quito; s.n; 1995-1996. [30] p. tab.
Monography
in Spanish
| LILACS
| ID: lil-278589