Repositorios 1

melatonin Melatonin 90 nonhuman 60 rat 60 article 56 animal experiment 54 Rats 50 Male 46 Animals 44 animal cell 38 controlled study 38 pineal body 38 Animal 34 Pineal Gland 34 priority journal 34 Support, Non-U.S. Gov't 30 central nervous system 30 endocrine system 30 male 30 Female 28 radioisotope 24 serotonin 22 in vitro study 20 unclassified drug 20 Serotonin 18 human 18 metabolism 18 Light 16 Rats, Inbred Strains 16 animal 16