title: UK national external quality assessment scheme (NEQAS) in blood coagulation.
authors.forename: K W
authors.initials: KW
authors.lastname: Denson
mesh_terms: D001780:Blood Coagulation Tests / Q000592:standards*; D002021:Buffers; D005612:Freeze Drying; D006801:Humans; D012016:Reference Values / Q000592:standards
chemical_list: D002021:Buffers