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2. Comp PC. Acquired deficiencies of protein S activity during oral anticoagulation, in liver disease, and in disseminated intravascular coagulation;D'Angelo, A.; Vigano-D'Angelo, S.; Esmon, C.T.;J Clin Invest,1988
3. protein S and C4b-binding protein in severe infection and septic shock;Hesselvik, J.F.; Malm, J.; Dahlback, B.; Protein, Blomback M.; C.;Thromb Haemostas,1991
4. Hereditary protein S deficiency: clinical manifestations;Engesser, L.; Broekmans, A.W.; Briet, E.; Brommer, E.J.P.; Bertina, R.M.;Ann Intern Med,1987
5. Protein C and protein S levels in two patients with acquired purpura fulminans;Madden, R.M.; Gill, J.C.; Marlar, R.A.,1990