Search Results - David W. Ayer

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    Content validity of the Migraine-Specific Quality of Life Questionnaire version 2.1 electronic patient-reported outcome by Rebecca M. Speck, Huda Shalhoub, David W. Ayer, Janet H. Ford, Kathleen W. Wyrwich, Elizabeth N. Bush

    Published 2019
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  2. 2
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    Validation and meaningful within-patient change in work productivity and activity impairment questionnaire (WPAI) for episodic or chronic migraine by Janet H. Ford, Wenyu Ye, David W. Ayer, Xiaojuan Mi, Swati Bhandari, Dawn C. Buse, Richard B. Lipton

    Published 2023
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