Expression and characterization of recombinant human protein S in heterologous cells-studies of the interaction of amino acid residues Leu-608 to Glu-612 with human C4b-binding protein - Chang, G TG; Ploos van Amstel, H K; Hessing, M; Reitsma, P H; Bertina, R M; Bouma, B N (Thromb Haemostas, 1992)