Comment on

• Brief report: autoimmune protein S deficiency in a boy with severe thromboembolic disease.

  D'Angelo A, Della Valle P, Crippa L, Pattarini E, Grimaldi LM, Viganò D'Angelo S. D'Angelo A, et al. N Engl J Med. 1993 Jun 17;328(24):1753-7. doi: 10.1056/NEJM199306173282405. N Engl J Med. 1993. PMID: 8497285 No abstract available.