title: Regional quality control.
abstract: Methods of quality control of some major haematological techniques are described. These methods have been applied in haematology laboratories serving a population of 2 million using existing facilities for preparation and transport of the necessary materials.
mesh_terms: D001772:Blood Cell Count; D001803:Blood Transfusion; D004912:Erythrocytes / Q000032:analysis; D005492:Folic Acid / Q000097:blood; D006405:Hematology / Q000592:standards*; D006739:Hospital Administration / Q000592:standards*; D006801:Humans; D011786:Quality Control; D012699:Serology / Q000592:standards; D013997:Time Factors; D014805:Vitamin B 12 / Q000097:blood
chemical_list: D005492:Folic Acid; D014805:Vitamin B 12