App-Based Relaxation Exercises for Patients With Chronic Neck Pain: Pragmatic Randomized Trial.

Daniel Pach Susanne Blödt Jiani Wang Theresa Keller Beatrice Bergmann Alizé A Rogge Jürgen Barth Katja Icke Stephanie Roll Claudia Margitta Witt

Published in: JMIR mHealth and uHealth (2022)

RR2-10.1186/1745-6215-15-490.

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