DOI:
10.1055/s-00035331
Revista Urología Colombiana / Colombian Urology Journal
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References
Charlson ME, Pompei P.
Ales KL. a New Method of Classifying Prognostic in Longitudinal Studies: Development.
J Chronic Dis 1987;
40 (05) 373-383
https://pubmed.ncbi.nlm.nih.gov/3558716/ [Internet]
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