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Unique ID issued by UMIN UMIN000033032
Receipt No. R000037636
Scientific Title Effect of hospital and surgeon volume on mortality following major operations: umbrella review of meta-analyses of observational studies
Date of disclosure of the study information 2018/06/20
Last modified on 2018/06/18 10:42:49

No. Disposal Last modified on Item of update
1 Insert 2018/06/18 10:43:41


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