Evidence for the validity and reliability of the ALS assessment questionnaire: the ALSAQ-40.
OBJECTIVES: The purpose of the study was to assess the validity and reliability of a new disease specific measure of health-related quality of life for ALS/MND: the 40-item ALS Assessment Questionnaire (ALSAQ-40). DESIGN: We carried out a longitudinal postal survey. The two administrations of the qu...
| Main Authors: | , , , |
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| Formato: | Journal article |
| Idioma: | English |
| Publicado em: |
1999
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