title: Influence of pulsatile and nonpulsatile left heart bypass on the hormonal circadian rhythm.
authors.forename: A
authors.initials: A
authors.lastname: Undar
authors.forename: C D
authors.initials: CD
authors.lastname: Fraser
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D018611:Heart Bypass, Left; D008550:Melatonin / Q000378:metabolism*; D011673:Pulsatile Flow
chemical_list: D008550:Melatonin