Employing open/hidden administration in psychotherapy research: A randomized-controlled trial of expressive writing.
Theresa TondorfLisa-Katrin KaufmannAlexander DegelCosima LocherJohanna BirkhäuerHeike GergerUlrike EhlertJens GaabPublished in: PloS one (2017)
German Clinical Trials Register DRKS00009428.