Recommendations of the Spanish Rheumatology Society for primary antiphospholipid syndrome. Part II: Obstetric antiphospholipid syndrome and special situations Rafael Cáliz Cáliz; Petra Díaz del Campo Fontecha; María Galindo Izquierdo; Francisco Javier López Longo; María Ángeles Martínez Zamora; Amparo Santamaria Ortiz; Olga Amengual Pliego; María José Cuadrado Lozano; María Paloma Delgado Beltrán; Loreto Carmona Ortells; Evelin Cecilia Cervantes Pérez; Gisela Díaz-Cordovés Rego; Sandra Garrote Corral; Clara Fuego Varela; María Martín López; Betina Nishishinya; Marta Novella Navarro; Claudia Pereda Testa; Hiurma Sánchez Pérez; Lucia Silva-Fernández; Víctor Manuel Martínez Taboada;

Epidemiology of thromboembolic events in children and adolescents with antiphospholipid syndrome: A systematic review with meta-analysis Mickael Essouma; Jan Rene Nkeck; Jean Jacques Noubiap;

Relevance of non-criteria antiphospholipid antibodies titers among patients with antiphospholipid syndrome and patients with systemic lupus erythematosus Tomás Urrego-Callejas; Alejandro Hernández; Sebastián Ruiz Giraldo; Beatriz Frade-Sosa; Adriana L. Vanegas-García; Carlos H. Muñoz; Carolina Rua; Julieta Duque Botero; Luis A. González; Gloria Vásquez; José A. Gómez-Puerta;