title: Treatment-refractory depression.
authors.forename: Richard A
authors.initials: RA
authors.lastname: Rovin
mesh_terms: D046690:Deep Brain Stimulation; D003866:Depressive Disorder / Q000628:therapy*; D004599:Electric Stimulation Therapy; D005260:Female; D006801:Humans; D008875:Middle Aged; D014630:Vagus Nerve