Article nonhuman 126 isolation and purification 86 controlled study 76 Animals 66 animal 64 Argentina 60 human 46 priority journal 46 genetics 44 metabolism 40 microbiology 40 chemistry 38 Humans 34 unclassified drug 32 female 30 classification 28 parasitology 26 drug effects 24 male 24 Trypanosoma cruzi 22 adult 22 Chagas disease 20 animal cell 20 phylogeny 20 physiology 20 polymerase chain reaction 20 procedures 20 Chagas Disease 18 Phylogeny 18