1.
s.l; Colombia. Ministerio de Salud; sept. 1985. 191 p. tab.
Monography
in Spanish
| LILACS
| ID: lil-86177
2.
Biomédica (Bogotá)
; Biomédica (Bogotá);1(3): 135-41, jul. 1981.
Article
in Spanish
| LILACS
| ID: lil-81280