title: Bipolar II depressive mixed state changes with age.
authors.forename: Franco
authors.initials: F
authors.lastname: Benazzi
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001714:Bipolar Disorder / Q000145:classification / Q000175:diagnosis* / Q000453:epidemiology / Q000523:psychology; D015897:Comorbidity; D003430:Cross-Sectional Studies; D003865:Major Depressive Disorder / Q000145:classification / Q000175:diagnosis* / Q000453:epidemiology / Q000523:psychology; D003937:Diagnosis, Differential; D039721:Diagnostic and Statistical Manual of Mental Disorders; D005260:Female; D006801:Humans; D015994:Incidence; D007558:Italy; D008297:Male; D008432:Mathematical Computing; D008875:Middle Aged; D012044:Regression Analysis