Antithrombins Southport (Leu 99 to Val) and Vienna (Cln 118 to Pro): two novel antithrombin variants with abnormal heparin bindingV. Chowdhury; B. Mille; R. J. Olds; D. A. Lane; J. Watton; T. W. Barrowcliffe; I. Pabinger; B. E. Woodcock; S. L. Thein · 1995