Thrombosis and Haemostasis, Table of Contents Thromb Haemost 1978; 39(02): 549DOI: 10.1055/s-0038-1646725 Letters to the Editor Schattauer GmbH Stuttgart Reference Thromboplastins Authors Author Affiliations Hans Prydz Department of Microbiology, Dental Faculty, University of Oslo, Oslo, Norway Recommend Article Abstract PDF Download(opens in new window) Buy Article(opens in new window) PDF (76 kb) References References 1 BjØrklid E, Storm E. 1977; Purification and some properties of the protein component of tissue thromboplastin from human brain. Biochemical Journal 165: 89 2 BjØrklid E, Storm E, Prydz H. 1973; The protein component of human brain thromboplastin. Biochemical and Biophysical Research Communications 55: 969 3 Pitlick FA, Nemerson Y, Gottlieb AJ, Gordon RG, Williams WJ. 1971; Peptidase activity associated with the tissue factor of blood coagulation. Biochemistry 10: 2650 4 Poller L, Thomson JM, Yee KF. 1977; Stability studies on lyophilised reference thromboplastins for standardisation of prothrombin-times. Lancet II: 1019