South African National Cancer Registry: Effect of withheld data from private health systems on cancer incidence

E Singh1, J M Underwood, C Nattey

  • 1Cancer Epidemiology Research Group, National Cancer Registry, National Health Laboratory Service, Johannesburg, South Africa; Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa. elvira.singh@nioh.nhls.ac.za.

Abstract

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