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Endoscopy 2022; 54(05): 463-464
DOI: 10.1055/a-1690-6488
Editorial

Quality assurance in colonoscopy: is case mix a problem?

Referring to Nass et al. p. 455–462
1   Department of Research, Telemark Hospital, Skien, Norway
2   Cancer Registry of Norway, Oslo, Norway
› Author Affiliations