ICD-10-CM–Based Definitions for Emergency Department Opioid Poisoning Surveillance: Electronic Health Record Case Confirmation Study

Assessing the accuracy of opioid overdose and poisoning codes in diagnostic information from electronic health records, claims data, and death records

(2017) Carla A. Green et al.   PHARMACOEPIDEMIOLOGY AND DRUG SAFETY

Trends in Deaths Involving Heroin and Synthetic Opioids Excluding Methadone, and Law Enforcement Drug Product Reports, by Census Region — United States, 2006–2015

(2017) Julie K. O’Donnell et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Fentanyl Law Enforcement Submissions and Increases in Synthetic Opioid–Involved Overdose Deaths — 27 States, 2013–2014

(2016) R. Matthew Gladden et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Increases in Drug and Opioid-Involved Overdose Deaths — United States, 2010–2015

(2016) Rose A. Rudd et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

What does validation of cases in electronic record databases mean? The potential contribution of free text

(2011) Amanda Nicholson et al.   PHARMACOEPIDEMIOLOGY AND DRUG SAFETY

Research electronic data capture (REDCap)—A metadata-driven methodology and workflow process for providing translational research informatics support

(2008) Paul A. Harris et al.   JOURNAL OF BIOMEDICAL INFORMATICS