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Standards for data exchange support sharing of structured metadata and data between parties and across different information systems. Standards referenced in this section support exchange of standard CRFs for data collection and exchange of tabulation and analysis datasets through provision of data definition files to describe shared datasets. Standards referenced in this section are based on the CDISC Operational Data Model (ODM-XML, available at https://www.cdisc.org/standards/data-exchange/odm). ODM-XML is a standard, vendor-neutral, platform-independent format  add more text here.

Standards referenced in this section support exchange of standard CRFs for data collection and exchange of tabulation and analysis datasets through provision of data definition files to describe shared datasets. 

Exchanging CRFs

Accessing CDASH Compliant CRFs 

The CDISC eCRF Portal (available at https://www.cdisc.org/kb/ecrf) is a platform from which to download standard CRFs including metadata standardized per ODM-XML. ODM-XML is a standard, vendor-neutral, platform-independent format for representing and exchanging CRF content in electronic data capture (EDC) tools.

Data Definition Files Define-XML

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