1. Studies on spontaneous variations in blood coagulability immediately following myocardial infarction
2. R. Biggs, and R. G. Macfarlane(1957 ). Human Blood Coagulation and Its Disorders , 2nd ed. , pp.128 -131 , 128 . Blackwell Scientific Publications, Oxford.
3. The Relationship of Heparin Activity to Platelet Concentration
4. ANTICOAGULANT THERAPY IN SURGERY
5. J. Gormsen(1957 ). Coagulation Problems in Acute Coronary Thrombosis . Thesis , Copenhagen.