Walsh DA, Boeri M, Abraham L, Atkinson J, Bushmakin AG, Cappelleri JC, Hauber B, Klein K, Russo L, Viktrup L, Turk D. Exploring patient preference heterogeneity for pharmacological treatments for chronic pain: a latent class analysis. Eur J Pain. 2022 Mar;26(3):648-67. doi: 10.1002/ejp.1892