Animals animal metabolism priority journal nonhuman 466 controlled study 379 animal cell 263 Article 252 mouse 237 animal experiment 220 Mice 201 article 200 animal tissue 193 physiology 187 genetics 182 female 166 human 162 unclassified drug 158 Humans 154 male 149 Female 138 protein expression 136 Male 129 drug effect 124 signal transduction 122 drug effects 109 animal model 108 chemistry 102 rat 100 cytology 93