Cost of postoperative complications: How to avoid calculation errors
World journal of gastroenterology : WJG, 2020-06, Vol.26 (21), p.2682-2690The Author(s) 2020. Published by Baishideng Publishing Group Inc. All rights reserved. ;The Author(s) 2020. Published by Baishideng Publishing Group Inc. All rights reserved. 2020 ;ISSN: 1007-9327 ;EISSN: 2219-2840 ;DOI: 10.3748/wjg.v26.i21.2682 ;PMID: 32550746
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