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For CRFs that created by CDISC based on articles, use this statement:  There is no standard case report form (CRF) available for this instrument. CDISC CDISC created this CRF to represent the instrument, which CDISC believes is in the public domain. This is not an endorsement of the instrument. The creation of this instrument was based on published articles describing this instrument. Sponsors may create this instrument’s CRF using their style guidelines, but they need to maintain the wording and order of the questions/items and responses as described on the CRF.  (note that if you use this statement, then QRS is not spelled out for the first time until where noted below.)

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