Conference
DO MARKER STATES IMPROVE MEASUREMENT PROPERTIES OF UTILITY INSTRUMENTS: A RANDOMIZED MULTI-CENTER TRIAL IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE
Authors
Schunemann HJ; Goldstein R; Mador MJ; McKim D; Stahl E; Austin P; Guyatt G
Volume
13
Pagination
pp. 1500-1500
Publisher
SPRINGER
Publication Date
November 1, 2004
Conference proceedings
QUALITY OF LIFE RESEARCH
Issue
9
ISSN
0962-9343