Animal 205 Support, Non-U.S. Gov't animal article metabolism 122 nonhuman 67 rat 64 Rats 62 drug effect 57 enzymology 54 male 52 Male 50 female 44 physiology 44 Female 42 liver 41 animal experiment 40 isolation and purification 40 Liver 39 Trypanosoma cruzi 36 in vitro study 36 priority journal 34 In Vitro 32 Kinetics 32 biosynthesis 32 kinetics 32 rat strain 28 Rats, Inbred Strains 26 Comparative Study 25 comparative study 25