Validation of a diagnostic questionnaire for migraine adapted for a computer assisted telephone interviewing
Introduction: The use of questionnaires is a tool for obtaining information on cases and the variables to analyse in migraine study populations. Methods: We have validated the questionnaire within the PALM study, based on IHS-II criteria and administered by telephone using computer assisted sampling...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier España
2010-04-01
|
| Series: | Neurología (English Edition) |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2173580810700328 |