Repetitive transcranial magnetic stimulation is as effective as electroconvulsive therapy in the treatment of nondelusional major depressive disorder: an open study. - Grunhaus,L.; Dannon,P.N.; Schreiber,S.; Dolberg,O.H.; Amiaz,R.; Ziv,R.; Lefkifker,E. (Biol Psychiatry, 2000)