RT Journal Article SR Electronic T1 The dependence scale: an easy tool to detect chronic daily headache with medication overuse? JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 704 OP 704 DO 10.1136/jnnp.2008.172171 VO 80 IS 7 A1 Lucas, Christian A1 Diener, Hans-Christoph YR 2009 UL http://jnnp.bmj.com/content/80/7/704.abstract AB