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Wennberg, David E., Sharp, Sandra M., Bevan, Gwyn 
ORCID: 0000-0003-2123-3770, Skinner, Jonathan S., Gottlieb, Daniel J. and Wennberg, John E.
(2014)
A population health approach to reducing observational intensity bias in health risk adjustment: cross sectional analysis of insurance claims.
British Medical Journal, 348 (g2392).
pp. 1-10.
ISSN 0959-8138
