Acute increases in synaptic GABA detectable in the living human brain: A [11C]Ro15-4513 PET study - Stokes,PRA; Myers,JF; Kalk,NJ; Watson,BJ; Erritzoe,D; Wilson,SJ; Cunningham,VJ; Barros,DR; Hammers,A; Turkheimer,FE; Nutt,DJ; Lingford-Hughes,AR (NEUROIMAGE, 2014)