Comparison of a national commercial pharmacy naloxone data source to state and city pharmacy naloxone data sources—Rhode Island, Massachusetts, and New York City, 2013–2019. - Chatterjee, Avik; Yan, Shapei; Lambert, Audrey; Morgan, Jake R.; Green, Traci C.; Jeng, Philip J.; Jalali, Ali; Xuan, Ziming; Krieger, Maxwell; Marshall, Brandon D. L.; Walley, Alexander Y.; Murphy, Sean M. (Health Services Research, 2023)