Cost-Effectiveness Analysis to Inform Randomized Controlled Trial Design in Chronic Pain Research: Methods for Guiding Decisions on the Addition of a Run-In Period. Principles and Practice of Clinical Research, [S. l.], v. 8, n. 2, p. 31–42, 2022. DOI: 10.21801/ppcrj.2022.82.5. Disponível em: https://journal.ppcr.org/index.php/ppcrjournal/article/view/201.. Acesso em: 28 apr. 2024.