Research Paper
A randomized double-blind crossover trial of deep brain stimulation of the subcallosal cingulate gyrus in patients with treatment-resistant depression: a pilot study of relapse prevention
Dolors Puigdemont, Maria J. Portella, Rosario Pérez-Egea, Joan Molet, Alexandre Gironell, Javier de Diego-Adeliño, Anna Martín, Rodrigo Rodríguez, Enric Àlvarez, Francesc Artigas and Víctor Pérez