Erratum to: Combination of anxiety and depression is associated with an increased headache frequency in migraineurs: a population-based study.

BMC neurology

PubMedID: 27094618

Oh K, Cho SJ, Chung YK, Kim JM, Chu MK. Erratum to: Combination of anxiety and depression is associated with an increased headache frequency in migraineurs: a population-based study. BMC Neurol. 2016;16(1):51.
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