title: Biologicals, standards and heparin.
authors.affiliation: Haematology Division, National Institute for Biological Standards and Control, Potters Bar, Herts, U.K.
authors.forename: D P
authors.initials: DP
authors.lastname: Thomas
mesh_terms: D001688:Biological Products / Q000592:standards*; D006493:Heparin / Q000592:standards*; D006495:Heparin, Low-Molecular-Weight / Q000592:standards; D006801:Humans; D007391:International Cooperation; D012015:Reference Standards
chemical_list: D001688:Biological Products; D006495:Heparin, Low-Molecular-Weight; D006493:Heparin