Ogishima H, Ito S, Tsutsumi A, Sugihara M, Goto D, Matsumoto I, Obata-Yasuoka M, Hamada H, Yoshikawa H, Takahashi H, Murashima A, Sumida T. High-dose unfractionated heparin therapy in a pregnant patient with antiphospolipid syndrome: a case report. Int J Rheum Dis. 2010 Aug;13(3):e32–5. doi: 10.1111/j.1756-185x.2010.01484.x. PMID: 20704608.