title: West Midlands regional quality control scheme for haematology.
abstract: A regional quality control scheme is described together with details of the organisation, preparation of material, and an evaluation of the results.
mesh_terms: D001772:Blood Cell Count / Q000592:standards; D004739:England; D006405:Hematology / Q000379:methods* / Q000592:standards; D007753:Laboratories; D011786:Quality Control