The primary structure of human plasminogen: Isolation of two lysinebinding fragments and one “mini” plasminogen (MW. 38,000) by elastase-catalysed-specific limited proteolysis - Sottrup-Jensen, L; Claeys, H; Zajdal, M; Petersen, T E; Magnusson, S (Prog Chem Fibrinolysis Thrombolysis, 1978)