(Q31044165)
Statements
1 reference
The Parkinson's Disease Questionnaire (PDQ-39): evidence for a method of imputing missing data (English)
1 reference
Crispin Jenkinson
1 reference
Catherine Heffernan
1 reference
Helen Doll
1 reference
Ray Fitzpatrick
1 reference
13 June 2006
1 reference
1 reference
35
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497-502
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Identifiers
1 reference
1 reference