Frequency and Clinical Significance Anti-PS/PT Antibodies in Patients with Antiphospholipid Syndrome—Single Centre Observational Study in the United Kingdom - Noble, Hithin; Crossette-Thambiah, Christina; Odho, Zain; Karawitage, Nilanthi; Logan, Karen; Pericleous, Charis; Laffan, Mike; Arachchillage, Deepa R.J. (Seminars in Thrombosis and Hemostasis, 2022)