Birch, Sara, Maiken Stilling, Inger Mechlenburg, and Torben Bæk Hansen. 2019. “No Effect of Cognitive Behavioral Patient Education for Patients With Pain Catastrophizing before Total Knee Arthroplasty: A Randomized Controlled Trial”. Acta Orthopaedica 91 (1):98-103. https://doi.org/10.1080/17453674.2019.1694312.