Leveraging health information exchange for clinical research: Extreme underreporting of hospital service utilization among patients with substance use disorders.

Gryczynski, J., Nordeck, C. D., Martin, R. D., Welsh, C., Schwartz, R. P., Mitchell, S. G., & Jaffe, J. H. (2020). Leveraging health information exchange for clinical research: Extreme underreporting of hospital service utilization among patients with substance use disorders. Drug and Alcohol Dependence, 107992.