title: Possible bipolar nature of irritability in major depressive disorder.
authors.forename: Franco
authors.initials: F
authors.lastname: Benazzi
mesh_terms: D000328:Adult; D017668:Age of Onset; D000553:Ambulatory Care; D001714:Bipolar Disorder / Q000175:diagnosis* / Q000523:psychology; D003865:Major Depressive Disorder / Q000175:diagnosis* / Q000523:psychology; D005192:Family Health; D005260:Female; D006801:Humans; D007508:Irritable Mood; D016015:Logistic Models; D008297:Male; D008875:Middle Aged; D011569:Psychiatric Status Rating Scales / Q000706:statistics & numerical data