Thresholds for Health-related Quality of Life measures: reality testing.
Glassman
Steven D
SD
Department of Orthopaedic Surgery, University of Louisville School of Medicine, Louisville, KY 40202, USA.
Carreon
Leah Y
LY
D006304:Health Status; D006801:Humans; D017063:Outcome Assessment, Health Care; D011788:Quality of Life; D013122:Spinal Diseases / Q000628:therapy*