DOI: 10.1055/s-00035026

Applied Clinical Informatics

References

Charlson ME, Pompei P, Ales KL, MacKenzie RC.
A new method of classifying prognostic comorbidity in longitudinal studies: development and validation.
Journal of Chronic Disease. 1987
40. 373-383 Available from:
http://www.ncbi.nlm.nih.gov/pubmed/3558716.

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