Clinical and Serological Findings of Patients with Antiphospholipid Syndrome in Mashhad, Iran, from 2008 to 2018: A Retrospective, Descriptive, Cross-sectional Study - Zahra Rezaieyazdi; Maryam Sahebari; Kianoosh Shahideh; Muhammed Joghatayi; Mandana Khodashahi (European Journal of Rheumatology)