Cohen, H., Doré, C. J., Clawson, S., Hunt, B. J., Isenberg, D., Khamashta, M., & Muirhead, N. (2015). Rivaroxaban in antiphospholipid syndrome (RAPS) protocol: A prospective, randomized controlled phase II/III clinical trial of rivaroxaban versus warfarin in patients with thrombotic antiphospholipid syndrome, with or without SLE. Lupus.

Cohen, H., C J. Doré, S. Clawson, B J. Hunt, D. Isenberg, M. Khamashta, and N. Muirhead. "Rivaroxaban in Antiphospholipid Syndrome (RAPS) Protocol: A Prospective, Randomized Controlled Phase II/III Clinical Trial of Rivaroxaban Versus Warfarin in Patients With Thrombotic Antiphospholipid Syndrome, With or Without SLE." Lupus 2015.

Cohen, H., et al. "Rivaroxaban in Antiphospholipid Syndrome (RAPS) Protocol: A Prospective, Randomized Controlled Phase II/III Clinical Trial of Rivaroxaban Versus Warfarin in Patients With Thrombotic Antiphospholipid Syndrome, With or Without SLE." Lupus 2015.