Ray, Wayne A and Chung, Cecilia P and Murray, Katherine T and Malow, Beth A and Daugherty, James R and Stein, C Michael (2021) Mortality and concurrent use of opioids and hypnotics in older patients: a retrospective cohort study. PLoS Medicine, 18, (7), e1003709. (Submitted) doi: 10.1371/journal.pmed.1003709.