Circadian changes in brain 5-hydroxytryptamine and plasma corticosterone in the rat.
D000818:Animals; D001923:Brain Chemistry; D002940:Circadian Rhythm; D003345:Corticosterone / Q000097:blood*; D008297:Male; D051381:Rats; D012701:Serotonin / Q000032:analysis*
D012701:Serotonin; D003345:Corticosterone