Detecting meaningful changes in trials of headache treatments: Which outcome measure is best?

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Bibliographic Details
Title:	Detecting meaningful changes in trials of headache treatments: Which outcome measure is best?
Authors:	Loder, Elizabeth W¹, Rizzoli, Paul²
Source:	Cephalalgia. Oct2012, Vol. 32 Issue 13, p947-949. 3p.
Database:	Academic Search Ultimate

Description
ISSN:	03331024
DOI:	10.1177/0333102412455714