antigenicity nonhuman 14 priority journal 14 article 12 Animals 10 controlled study 10 Trypanosoma 6 Trypanosoma cruzi 6 animal cell 6 carboxy terminal sequence 6 human 6 Animalia 4 Antigens, Viral 4 Article 4 Eukaryota 4 Humans 4 Junin virus 4 Rats 4 animal 4 animal model 4 chronic disease 4 enzyme activity 4 enzyme linked immunosorbent assay 4 gene overexpression 4 humoral immunity 4 immunoglobulin G 4 mouse 4 parasite antigen 4 physical chemistry 4 protein analysis 4