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#HealthEconJA Development and exploration of the content validity of a patient-reported outcome measure to evaluate the impact of migraine- the migraine physical function impact diary (MPFID) https://t.co/BVqh81oAm9
#HealthEconJA Development and exploration of the content validity of a patient-reported outcome measure to evaluate the impact of migraine- the migraine physical function impact diary (MPFID) https://t.co/BVqh81oAm9