Sequence Homology, Nucleic Acid 50 Molecular Sequence Data 40 Base Sequence 36 article 34 nonhuman 32 Animals 24 nucleotide sequence 24 Amino Acid Sequence 22 priority journal 20 sequence homology 18 Sequence Alignment 14 controlled study 14 Animal 12 Support, Non-U.S. Gov't 12 Trypanosoma cruzi 12 genetics 12 Animalia 10 Comparative Study 10 Human 10 Polymerase Chain Reaction 10 genetic variability 10 human 10 DNA 8 animal cell 8 reverse transcription polymerase chain reaction 8 trypanosoma cruzi 8 unclassified drug 8 Cloning, Molecular 6 DNA Primers 6 DNA polymorphism 6