title: Effects of swimming exercise on circadian sleep-waking rhythms and brain serotonin metabolism in rats.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D002940:Circadian Rhythm; D006897:Hydroxyindoleacetic Acid / Q000378:metabolism; D008297:Male; D005082:Physical Exertion; D051381:Rats; D012701:Serotonin / Q000378:metabolism*; D012890:Sleep / Q000502:physiology*; D013550:Swimming; D014364:Tryptophan / Q000378:metabolism; D014851:Wakefulness / Q000502:physiology*
chemical_list: D012701:Serotonin; D006897:Hydroxyindoleacetic Acid; D014364:Tryptophan