Title: Classical conditioning without verbal suggestions elicits placebo analgesia and nocebo hyperalgesia
Authors: Przemysław Bąbel, Elżbieta A. Bajcar, Wacław Adamczyk, Paweł Kicman, Natalia Lisińska, Karolina Świder, Luana Colloca
Journal: PLoS ONE
Publication type: article
DOI: 10.1371/journal.pone.0181856