physiology priority journal nonhuman 361 Animals 315 controlled study 313 animal 312 metabolism 261 article 215 Article 192 male 164 human 159 Humans 157 animal experiment 155 animal cell 142 Male 140 female 137 animal tissue 130 mouse 122 genetics 115 Female 102 unclassified drug 101 Mice 98 drug effect 92 cytology 83 signal transduction 81 adult 80 protein expression 76 rat 64 human cell 54 Rats 52