Thrombosis and Haemostasis, Table of Contents Thromb Haemost 1980; 43(01): 069DOI: 10.1055/s-0038-1650017 Letter to the Editor Schattauer GmbH Stuttgart The Chromogenic Assay of Low Levels of Heparin in Plasma: Probable Effect of Platelets Authors Author Affiliations Paul F O'Brien Department of Haematology, St. Thomas’ Hospital and Medical School, London SE1 7EH, U.K. Recommend Article Abstract PDF Download(opens in new window) Buy Article(opens in new window) PDF (110 kb) References References 1 Husom O. The effect of human chylomicron suspension on the recalcification time of the platelet-poor plasma: an effect due to blood platelets. Scand J Clin Lab Invest 1961; 13: 619-624