Thrombolytic and pharmacokinetic properties of human tissue-type plasminogen activator variants, obtained by deletion and/or duplication of structural/functional domains, in a hamster pulmonary embolism model - Collen, D; Lijnen, H R; Vanlinthout, I; Kieckens, L; Nelles, L; Stassen, J M (Thromb Haemost, 1991)