Design of inhibitors of serine proteases: Use of site selective and random mutagenesis to define the pharmacophore and conformational selectivity of Kunitz inhibitors towards factors Xa and VIIa - Stanssens, P; De Maeyer, M; Lambeir, A M; Laroche, Y; Lauwereys, M; Lasters, I; Ripka, W C (Submitted)