Ethnicity coding in English health service datasets (Nuttfield Trust y The NHS Race and Health Observatory, 2021) Dokumentu-zerrenda https://www.nuffieldtrust.org.uk/files/2021-06/1622731816_nuffield-trust-ethnicity-coding-web.pdf Xehetasunak Ethnicity coding in English health service datasets (Nuttfield Trust y The NHS Race and Health Observatory, 2021)
