title: Circadian rhythms. Preface.
authors.affiliation: Laboratory of Genetics, Rockefeller University, New York, New York 10021, USA.
authors.forename: Michael W
authors.initials: MW
authors.lastname: Young
mesh_terms: D000818:Animals; D002940:Circadian Rhythm / Q000235:genetics*; D029721:Drosophila Proteins; D004331:Drosophila melanogaster / Q000235:genetics; D009687:Nuclear Proteins / Q000235:genetics*; D056950:Period Circadian Proteins
chemical_list: D029721:Drosophila Proteins; D009687:Nuclear Proteins; C539040:PER protein, Drosophila; D056950:Period Circadian Proteins