Major Depressive Disorder With Subthreshold Bipolarity in the National Comorbidity Survey Replication

J Angst, L Cui, J Swendsen, S Rothen, A Cravchik, R. C Kessler and K. R. Merikangas

American Journal of Psychiatry 167 ( 10 ): 1194 - 1201 , 2010