Hospital chart review provided more accurate comorbidity information than data from a general practitioner survey or an administrative database
Preen, David B., Holman, C. D'Arcy J., Lawrence, David M., Baynham, Natalya J., Semmens, James B.
Published in Journal of clinical epidemiology (01.12.2004)
Published in Journal of clinical epidemiology (01.12.2004)
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