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Positive Predictive Value of ICD-9 Codes in the Identification of Cases of Complicated Peptic Ulcer Disease in the Saskatchewan Hospital Automated Database
Drusilla S. Raiford, Susanne Pérez Gutthann and Luis A. García RodríguezVolume:
7
Language:
english
Journal:
Epidemiology
DOI:
10.2307/3702765
Date:
April, 1996
File:
PDF, 598 KB
english, 1996