1. Hackeng TM, Rosing J. Protein S as cofactor for TFPI. Arterioscler Thromb Vasc Biol 2009;29:2015-20.
2. Castoldi E, Hackeng TM. Regulation of coagulation by protein S. Curr Opin Hematol 2008;15:529-36.
3. Qi X, De Stefano V, Wang J, Bai M, Yang Z, Han G, Fan D. Prevalence of inherited antithrombin, protein C, and protein S deficiencies in portal vein system thrombosis and Budd-Chiari syndrome: a systematic review and meta-analysis of observational studies. J Gastroenterol Hepatol 2013;28:432-42.
4. Brouwer JL, Lijfering WM, Ten Kate MK, Kluin-Nelemans HC, Veeger NJ, van der Meer J. High long-term absolute risk of recurrent venous thromboembolism in patients with hereditary deficiencies of protein S, protein C or antithrombin. Thromb Haemost 2009;101:93-9.
5. de Godoy JM, Braile DM. Protein S deficiency in repetitive superficial thrombophlebitis. Clin Appl Thromb Hemost. 2003;9:61-2.
6. Bignon M, Dahdouh Z, Roule V, Grollier G. Massive pulmonary embolis arising from a bifid ovarian vein in a patient with protein S deficiency. Cardiol J 2011;18:701.
7. Dykes AC, Walker ID, McMahon AD, Islam SI, Tait RC. A study of Protein S antigen levels in 3788 healthy volunteers: influence of age, sex and hormone use, and estimate for prevalence of deficiency state. Br J Haematol 2001;113:636-41.
8. Witt DM, Delate T, Clark NP, Martell C, Tran T, Crowther MA, Garcia DA, Ageno W, Hylek EM. Outcomes and predictors of very stable INR control during chronic anticoagulation therapy. Blood 2009;114;952-6.
9. Quehenberger P, Loner U, Kapiotis S, Handler S, Schneider B, Huber J, Speiser W. Increased levels of activated factor VII and decreased plasma protein S activity and circulating thrombomodulin during use of oral contraceptives. Thromb Haemost 1996;76:729-34.
10. Rosing J, Hoekema L, Nicolaes GA, Thomassen MC, Hemker HC, Varadi K, Schwarz HP, Tans G. Effects of protein S and factor Xa on peptide bond cleavages during inactivatiuon of factor Va and factor VaR506Q by activated protein C. J Biol Chem 1995;270:27852-58.
11. Vanteer C, Hackeng TM, Biesbroeck D, Sixma JJ, Bouma BN. Increased prothrombin activation in protein S-deficient plasma underflow conditions on endothelial cell-matrix – an independent anticoagulant function of protein S in plasma. Blood 1995;85:1815-21.
12. Hackeng TM, Sere KM, Tans G, Rosing J. Protein S stimulates inhibition of the tissue factor pathway by tissue factor pathway inhbitior. Proc Natl Acad Sci USA 2006;103:3103-111.
13. Kemkes-Matthes B. Acquired protein S deficiency. Clin Investig 1992;70:529-34.
14. Mochan A, Modi M, Modi G. Protein S deficiency in HIV associated ischaemic stroke: an epiphenomenon of HIV infection. J Neurol Neurosurg Psychiatry. 2005;76:1455-6.
15. Liaw TY, Chang CH. Skin necrosis complicated by warfarin-induced protein S deficiency. J Formos Med Assoc 2014;113:758-9.
16. Duebgen S, Kauke T, Marschall C, Giebel A, Lison S, Hart C, Dick A, Spannag M. Genotype and laboratory and clinical phenotypes of protein S deficiency. Am J Clijn Pathol 2012;137:178-84.
17. Hwang RA, Gausman JN. Portal-Splenic-Mesenteric Venous Thrombosis in a Patients with Protein S Deficiency due to Novel PROS1 Gene Mutation. Korean J Gastroenterol 2014;64:110-4.
18. Jang MA, Kim SH, Kim DK, Kim HJ. A novel nonsense mutation Tyr301of PROS1 causing protein S deficiency. Blood Coagul Fibrinolysis 2014 Sep [Epub ahead of print].
19. Marlar RA, Gausman JN. Protein S abnormalities: a diagnostic nightmare. Am J Hematol 2011;86:418-21.
20. Soare AM, Popa C. Deficiencies of proteins C, S and antithrombin and factor V and the risk of ischemic strokes. J Med Life 2010;3:235-8.
21. Ten Kate MK, van der Meer J. Protein S deficiency: a clinical perspective. Haemophilia 2008;14:1222-8.
22. Gladson CL, Scharrer I, Hach V, Beck KH, Griffin JH. The frequency of type I heterozygous protein S and protein C deficiency in 141 unrelated young patients with venous thrombosis. Thromb Haemost 1988;59:18-22.
23. Wypasek E, Undas A. Protein C and protein S deficiency - practical diagnostic issues. Adv Clin Exp Med 2013;22:459-67.
24. Seligsohn U, Lubetsky A. Genetic susceptibility to venous thrombosis. N Engl J Med 2001; 344: 1222–31.
25. Lechler E. Use of prothrombin complex concentrates for prophylaxis and treatment of bleeding episodes in patients with hereditary deficiency of prothrombin, factor VII, factor X, protein C protein S, or protein Z. Thromb Res 1999;95 (suppl 1):S39-50.
26. Holzheimer RG. Low-molecular-weight heparin (LMWH) in the treatment of thrombosis. Eu J Med Res 2004;30:225-39.