Media type: E-Article Title: Increased efficacy of regularly repeated cycles with OnabotulinumtoxinA in MOH patients beyond the first year of treatment Contributor: Guerzoni, Simona; Pellesi, Lanfranco; Baraldi, Carlo; Pini, Luigi Alberto imprint: Springer Science and Business Media LLC, 2016 Published in: The Journal of Headache and Pain Language: English DOI: 10.1186/s10194-016-0634-9 ISSN: 1129-2369; 1129-2377 Keywords: Anesthesiology and Pain Medicine ; Neurology (clinical) ; General Medicine Origination: Footnote: Access State: Open Access