The large-scale mail questionnaire is a useful tool in epidemiological investigation and will probably come into wider use in the search for an environmental cause of Parkinson's disease (PD). To determine the validity of mail questionnaires in patients with PD, we administered a 17-item questionnai
โฆ LIBER โฆ
Validation of a mail questionnaire for parkinsonism in two languages (German and Italian)
โ Scribed by P. P. Pramstaller; Markus Falk; Rudolf Schoenhuber; Werner Poewe
- Publisher
- Springer
- Year
- 1999
- Tongue
- English
- Weight
- 78 KB
- Volume
- 246
- Category
- Article
- ISSN
- 0340-5354
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