Randomized comparison of selective serotonin reuptake inhibitor (escitalopram) monotherapy and antidepressant combination pharmacotherapy for major depressive disorder with melancholic features: A CO-MED report

William V. Bobo, Helen Chen, Madhukar H. Trivedi, Jonathan W. Stewart, Andrew A. Nierenberg, Maurizio Fava, Benji T. Kurian, Diane Warden, David W. Morris, James F. Luther, Mustafa M. Husain, Ian A. Cook, Ira M. Lesser, Susan G. Kornstein, Stephen R. Wisniewski, A. John Rush, Richard C. Shelton