Selective serotonin reuptake inhibitor discontinuation syndrome is associated with a rostral anterior cingulate choline metabolite decrease: a proton magnetic resonance spectroscopic imaging study. - Kaufman,MJ.; Henry,ME.; Frederick,B.; Hennen,J.; Villafuerte,RA.; Stoddard,EP.; Schmidt,ME.; Cohen,BM.; Renshaw,PF. (Biol Psychiatry, 2003)