DOI:
10.1055/s-00000012
Endoscopy
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References
Healthcare Cost and Utilization Project (HCUP).
Agency for Healthcare Research and Quality.
Rockville, MD:
HCUP Databases; 2019 Available at (Accessed Apr 12 2020):
https://www.hcup-us.ahrq.gov/nisoverview.jsp
Access:
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