Does Oxytocin Impact the Psychotherapeutic Process? An Explorative Investigation of Internet-Based Cognitive-Behavioral Treatment for Posttraumatic Stress Disorder. - Engel, Sinha; Schumacher, Sarah; Niemeyer, Helen; Küster, Annika; Burchert, Sebastian; Rau, Heinrich; Willmund, Gerd-Dieter; Knaevelsrud, Christine (Verhaltenstherapie, 2022)