Comparative analysis of methods for identifying multimorbidity patterns among people with opioid use disorder: A retrospective single-cohort study - Myanca Rodrigues; Tea Rosic; Glenda Babe; Brittany B. Dennis; Alannah McEvoy; Richard Perez; Claire de Oliveira; Sameer Parpia; Zainab Samaan; Lehana Thabane (PLoS ONE, 2025)