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Year : 2020 | Volume: 10 | Issue Number: 5 | Page: 39-42 ORIGINAL ARTICLEA clinical investigation into the benefits of using charge codes in perioperative and critical care epidemiology: A retrospective cohort database study Cobert Julien, Ellis Alan R, Krishnamoorthy Vijay, McCartney Sharon L, Nathanson Brian H, Stefan Mihaela S, Lindenauer Peter, Raghunathan Karthik
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