title: Pharmacologic and therapeutic strategies in treatment-resistant depression. Introduction and clinical presentations.
authors.affiliation: Treatment-Resistant Depression Clinic, University of Pennsylvania, Philadelphia, USA.
authors.forename: John P
authors.initials: JP
authors.lastname: O'Reardon
mesh_terms: D000928:Antidepressive Agents / Q000627:therapeutic use; D001714:Bipolar Disorder / Q000188:drug therapy; D015897:Comorbidity; D003865:Major Depressive Disorder / Q000188:drug therapy*; D006801:Humans
chemical_list: D000928:Antidepressive Agents