@article{8b79ee487c8e48fbb726dd20909350cb,
title = "Successful prophylactic treatment of chronic cluster headache with low-dose levomethadone",
author = "T. Sprenger and Seifert, \{C. L.\} and M. Miederer and M. Valet and T{\"o}lle, \{T. R.\}",
year = "2008",
month = nov,
doi = "10.1007/s00415-008-0992-6",
language = "English",
volume = "255",
pages = "1832--1833",
journal = "Journal of Neurology",
issn = "0340-5354",
publisher = "Springer Science and Business Media Deutschland GmbH",
number = "11",
}