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• RF2 - This format uses the standard Simple Reference Set structure (except with the refsetId replaced with an alphanumeric identifier). Please download this format if you plan to upload the subsets into a terminology server. Please note that each refsetId should be replaced with a valid numeric identifier prior to upload.
• RF2+Terms - This format adds the US-english preferred term to each member of the subset. Please download this format if you plan to open the subsets directly (e.g. in a text editor or spreadsheet tool) for review.

These subsets have been created using the July 31st 2020 International Edition of SNOMED CT.

Please read the important note below before downloading these subset files.

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