1.
Santa Fe de Bogotá; Instituto Nacional de Salud; sept. 1992. 45 p. (Red Nacional de Laboratorios).
Monography
in Spanish
| LILACS
| ID: lil-252571
Subject(s)
Arsenic/analysis , Lead/analysis , Mercury/analysis , Thallium/analysis , Metals, Heavy/analysis
2.
Bogotá; Colombia. Ministerio de Salud; 1991. 52 p. tab.
Monography
in Spanish
| LILACS
| ID: lil-369607