TY - JOUR T1 - Cytotoxic and Antiviral Activities of Colombian Medicinal Plant Extracts of the Euphorbia genus JO - Memórias do Instituto Oswaldo Cruz A1 - Betancur-Galvis, LA A1 - Morales, GE A1 - Forero, JE A1 - Roldan, J SN - 0074-0276 UL - 10.1590/S0074-02762002000400017 VL - 97 Y1 - 2002 PB - Brasil ER -