acetic acid ethyl ester article 10 controlled study 10 nonhuman 10 unclassified drug 10 Animals 8 drug determination 8 Cercopithecus aethiops 6 Chromatography, High Pressure Liquid 6 Vero Cells 6 Vero cell 6 drug isolation 6 drug screening 6 high performance liquid chromatography 6 minimum inhibitory concentration 6 Arginine Kinase 4 Camellia 4 Catechin 4 Chagas Disease 4 Chromatography, Gas 4 Dose-Response Relationship, Drug 4 Indicators and Reagents 4 Male 4 Mice 4 Mice, Inbred BALB C 4 Plant Extracts 4 Trypanocidal Agents 4 Trypanosoma cruzi 4 amastigote 4 animal cell 4