title: Mood, pleasant events, and unpleasant events: two pilot studies.
mesh_terms: D001521:Behavior Therapy; D002940:Circadian Rhythm; D003863:Depression / Q000628:therapy; D004644:Emotions; D005260:Female; D006801:Humans; D008016:Life Change Events; D008297:Male; D010865:Pilot Projects; D012737:Sex Factors