Trypanosoma cruzi 86 protozoon 80 nonhuman 70 priority journal 70 Support, Non-U.S. Gov't 56 article 56 Animal 52 Trypanosoma 44 trypanosoma cruzi 44 Protozoa 38 human 30 Chagas disease 26 animal cell 26 Chagas Disease 24 Animals 22 Antibodies, Protozoan 22 controlled study 22 protozoon antibody 22 animal 18 Amino Acid Sequence 16 Animalia 16 mouse 16 Comparative Study 14 Human 14 Immunoglobulin G 14 Molecular Sequence Data 14 amino acid sequence 14 chagas disease 14 Enzyme-Linked Immunosorbent Assay 12 Humans 12