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Head-HUNT: validity and reliability of a headache questionnaire in a large population-based study in Norway
K Hagen, J-A Zwart, L Vatten, LJ Stovner, G BovimVolume:
20
Year:
2000
Language:
english
Pages:
7
DOI:
10.1046/j.1468-2982.2000.00049.x
File:
PDF, 84 KB
english, 2000