Role of Methadone in Induction and/or Exacerbation of Cluster Headache in Patients Treated for Opioid AddictionCaroline Diot, Céline Eiden, Yves Leglise, Hélène Donnadieu-Rigole et Hélène PeyrièreTherapie, 70 3 (2015) 305-307DOI: https://doi.org/10.2515/therapie/2014211