(Q44677229)
Statements
1 reference
The responsiveness of headache impact scales scored using 'classical' and 'modern' psychometric methods: a re-analysis of three clinical trials (English)
1 reference
M Kosinski
1 reference
J B Bjorner
1 reference
J E Ware
1 reference
A Batenhorst
1 reference
R K Cady
1 reference
1 December 2003
1 reference
1 reference
12
1 reference
8
1 reference
903-912
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
Identifiers
1 reference
1 reference