title: [Biorhythm in melatonin and biofeedback control (author's transl)].
mesh_terms: D000818:Animals; D001717:Birds; D002940:Circadian Rhythm; D005246:Feedback; D005260:Female; D006801:Humans; D008297:Male; D008550:Melatonin / Q000096:biosynthesis*; D008875:Middle Aged; D009638:Norepinephrine / Q000378:metabolism; D010870:Pineal Gland / Q000378:metabolism; D051381:Rats; D014365:Tryptophan Hydroxylase / Q000378:metabolism
chemical_list: D014365:Tryptophan Hydroxylase; D008550:Melatonin; D009638:Norepinephrine