title: [Physiology of the biological clock and the relation of circadian rhythm disorders to illnesses].
authors.affiliation: Kuopion yliopiston fysiologian laitos PL 1627, 70211 Kuopio. jarmo.laitinen@uku.fi
authors.forename: J T
authors.initials: JT
authors.lastname: Laitinen
authors.forename: T
authors.initials: T
authors.lastname: Porkka-Heiskanen
mesh_terms: D000818:Animals; D001683:Biological Clocks / Q000235:genetics / Q000502:physiology*; D001766:Blindness / Q000150:complications; D021081:Chronobiology Disorders / Q000150:complications* / Q000188:drug therapy / Q000503:physiopathology; D006801:Humans; D020179:Jet Lag Syndrome / Q000209:etiology / Q000503:physiopathology; D008027:Light; D008550:Melatonin / Q000502:physiology / Q000627:therapeutic use; D016574:Seasonal Affective Disorder / Q000209:etiology / Q000503:physiopathology; D020178:Sleep Disorders, Circadian Rhythm / Q000209:etiology / Q000503:physiopathology; D013493:Suprachiasmatic Nucleus / Q000502:physiology
chemical_list: D008550:Melatonin