title: Diurnal rhythms of pineal nucleic acids and protein.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D004247:DNA / Q000032:analysis / Q000378:metabolism*; D003624:Darkness; D008027:Light; D010870:Pineal Gland / Q000378:metabolism*; D011506:Proteins / Q000032:analysis / Q000378:metabolism*; D012313:RNA / Q000032:analysis / Q000378:metabolism*; D051381:Rats; D012701:Serotonin / Q000378:metabolism
chemical_list: D011506:Proteins; D012701:Serotonin; D012313:RNA; D004247:DNA