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The burden of headache in China: validation of diagnostic questionnaire for a population-based survey
The objective of this study was to test the validity, in the Chinese population, of the Lifting The Burden diagnostic questionnaire for the purpose of a population-based survey of the burden of headache in China. From all regions of China, a population-based sample of 417 respondents had completed t...
Autores principales: | , , , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Springer Milan
2011
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3072517/ https://www.ncbi.nlm.nih.gov/pubmed/21452008 http://dx.doi.org/10.1007/s10194-011-0336-2 |