Association of initiating CYP2D6-metabolized opioids with risks of adverse outcomes in older adults receiving antidepressants: A retrospective cohort study. - Wei, Yu-Jung Jenny; Winterstein, Almut G.; Schmidt, Siegfried; Fillingim, Roger B.; Daniels, Michael J.; DeKosky, Steven T.; Schmidt, Stephan (PLoS Medicine, 2025)