Fahl, K. N., S. A. Poon, K. K. Badani, and M. C. Benson. “Paraneoplastic Production of Heparin-Like Anticoagulant in a Patient With Metastatic Transitional Cell Carcinoma”. Canadian Urological Association Journal, vol. 3, no. 5, May 2013, pp. E61-E63, doi:10.5489/cuaj.1165.