article 1,814 genetics 1,706 nonhuman 1,527 Animals 1,449 priority journal 1,168 controlled study 1,116 metabolism 1,086 animal 959 human 904 Humans 865 female 555 Article 545 unclassified drug 519 male 510 Female 502 physiology 495 Argentina 486 Male 479 animal cell 455 gene expression 442 Molecular Sequence Data 441 gene expression regulation 435 chemistry 423 mouse 420 Mice 405 nucleotide sequence 402 protein expression 357 signal transduction 328 phylogeny 313 molecular genetics 309