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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.