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. 2021 Mar 15;5:CCI.20.00094. doi: 10.1200/CCI.20.00094

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© 2021 by American Society of Clinical Oncology

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FIG A1. — Description of the use of the OSIRIS structured flat files. We use the OSIRIS flat files as an entry point to standardize data from different data sources (ie, EHRs, eCRFs, data warehouses, and cancer registries). These pivot files are then used to facilitate interoperability with other standards. For instance, we used them to construct ETLs with I2B2 CDM instances and the FHIR API. API, application programming interface; CDM, Common Data Model; EHR, Electronic Health Record; ETL, extract, transform, and load; FHIR, Fast Healthcare Interoperability Resources.