1. CDC. Web-based Injury Statistics Query and Reporting System (WISQARS). Atlanta, GA: US Department of Health and Human Services, CDC; 2021. Accessed March 31, 2020. www.cdc.gov/injury/wisqars
2. CDC. 2019 annual surveillance report of drug-related risks and outcomes—United States surveillance special report. Atlanta, GA: US Department of Health and Human Services, CDC; 2019. https://www.cdc.gov/drugoverdose/pdf/pubs/2019-cdc-drug-surveillance-report.pdf
3. Use of opioids and other analgesics by older adults in the United States, 1999–2010.;Steinman;Pain Med,2015
4. Risk of injury associated with opioid use in older adults.;Buckeridge;J Am Geriatr Soc,2010
5. Risk factors for falls among older adults: a review of the literature.;Ambrose;Maturitas,2013