Data enhancement for co-morbidity measurement among patients referred for sleep diagnostic testing: an observational study
Date
2009-07-15
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Publisher
BioMed Central
Abstract
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Citation
Ronksley PE, Tsai WH, Quan H, Faris P, Hemmelgarn BR. "Data enhancement for co-morbidity measurement among patients referred for sleep diagnostic testing: an observational study". BMC Medical Research Methodology 2009, 9:50 (15 July 2009)