U. Nissen

Effects of preparations of heparin and heparitin sulfate on fibrinolysis.

T. Astrup, J. Rasmussen, U. Nissen, 1966, Archives of biochemistry and biophysics.

Estimation of trypsin in presence of plasmin and their separation by gel filtration.

U. Nissen, 1966, Analytical biochemistry.

Urinary Trypsin Inhibitor (Mingin): Transformation into a New Trypsin Inhibitor by Acid Hydrolysis or by Sialidase

T. Astrup, U. Nissen, 1964, Nature.

THE ESTIMATION OF FIBRINOGEN. A REVISION.

T. Astrup, P. Brakman, U. Nissen, 1965, Scandinavian journal of clinical and laboratory investigation.