Minimal important changes of HFS-30 and HFS-7 questionnaires for patients with hemifacial spasm
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Introduction: Hemifacial spasm (HFS) significantly reduces health-related quality of life (HRQoL). Currently, the HFS-30 and HFS-7 questionnaires are used to evaluate the HRQoL in HFS patients; however, their minimal important ch... ...
