The National Institute for Health and Care Excellence providing guidance, advice and information services for health, public health and social care professionals.
Y Sefydliad Cenedlaethol dros Ragoriaeth mewn Iechyd a Gofal, sy’n darparu gwasanaethau gwybodaeth, cyngor a chanllawiau i weithwyr proffesiynol ym maes iechyd, iechyd y cyhoedd a gofal cymdeithasol.