DOI:
10.1055/s-00000019
Fortschritte der Neurologie · Psychiatrie
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References
Patrick DL, Burke LB, Gwaltney CJ. et al.
Content validity – establishing and reporting the evidence in newly developed patient-reported outcomes (PRO) instruments for medical product evaluation: ISPOR PRO good research practices task force report: part 1 – Eliciting concepts for a new PRO instrument.
Value Health 2011;
14 (08) : 967-977
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