1. Nature of prothrombin biosynthesis: preprothrombinaemia in vitamin K-deficiency;Hemker;Nature,1963
2. Kinetic aspects of the interaction of blood-clotting enzymes. V. The reaction mechanism of the extrinsic clotting system as revealed by the kinetics of one-stage estimations of coagulation enzymes;Hemker;Thromb. Diath. Haemorrh.,1968
3. Vitamin K dependent modifications of glutamic residues in prothrombin;Stenflo,1974
4. Kinetic aspects of the interaction of blood-clotting enzymes. VI. Localization of the site of blood-coagulation inhibition by the protein induced by vitamin K absence (PIVKA);Hemker;Thromb.Diath.Haemorrh.,1968
5. The interrelationship between Normotest and Thrombotest;Owren;Farmakoterapi,1969