Clinical Neurology and Neurosurgery
Volume 112, Issue 6 , Pages 463-466, July 2010

Botulinum toxin type A versus amitriptyline for the treatment of chronic daily migraine

Division of Neurology and Epidemiology, Federal University of Bahia, Av Reitor Miguel Calmon, s/n, Salvador, Bahia, Brazil

Received 28 April 2009; received in revised form 21 January 2010; accepted 7 February 2010.

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PII: S0303-8467(10)00036-3

doi:10.1016/j.clineuro.2010.02.004

Clinical Neurology and Neurosurgery
Volume 112, Issue 6 , Pages 463-466, July 2010