Internet-Based Acceptance and Commitment Therapy With Interoceptive Exposure for Panic Disorder: A Randomized Controlled Trial and Working Alliance Analysis. - Bäckman L; Weineland S; Vernmark K; Radvogin E; Bjälkebring P; Enbuske E; Hermansson I; Johansson N; Petersen N; Hursti T (Scandinavian journal of psychology, 2026)