Answer to the letter from Joanna Zakrzewska

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@article{7dc4624a65b647ba9b388c7a0be4fc4c,

title = "Answer to the letter from Joanna Zakrzewska",

author = "Jes Olesen",

year = "2012",

month = mar,

doi = "10.1007/s10194-011-0411-8",

language = "English",

volume = "13",

pages = "173",

journal = "Journal of Headache and Pain",

issn = "1129-2369",

publisher = "Springer",

number = "2",

}