title: Assay of heparin; measurement of the end point by physical means; influence of surface on clotting.
authors.forename: R H K
authors.initials: RH
authors.lastname: FOSTER
mesh_terms: D001777:Blood Coagulation; D006493:Heparin; D006801:Humans; D012015:Reference Standards
chemical_list: D006493:Heparin
keywords: HEPARIN/standardization