di Reumatologia, Società Italiana, trans. 2026. “PO:33:199 | Prevalence and Clinical Associations of Antiphospholipid Antibodies in Patients With Systemic Sclerosis in the SPRING-SIR Registry: Antonio Tonutti1|2, Ilaria Cavazzana3, Angela Ceribelli1|2, Maria De Santis1|2, Giacomo De Luca4|5, Maria Grazia Lazzaroni3, Franco Franceschini3, Carlo Selmi1|2, Valeria Riccieri6, Silvia Laura Bosello7, Fabio Cacciapaglia8, Veronica Codullo9, Francesca Ingegnoli10, Dilia Giuggioli11, Rossella De Angelis12, Clodoveo Ferri11, Marco Matucci-Cerinic4|5 | 1Department of Biomedical Sciences, Humanitas Universityce Pieve Emanuele, Milan, Italy; 2Rheumatology and Clinical Immunology, IRCCS Humanitas Research Hospital Rozzano, Milan, Italy; 3Rheumatology and Clinical Immunology - ASST Spedali Civili Brescia - Department of Clinical and Experimental Sciences - Brescia, Italy; 4Vita-Salute San Raffaele University Milan, Italy; 5Unit of Immunology, Rheumatology, Allergy and Rare Diseases UnIRAR and INFLAGE Initiative, IRCCS San Raffaele Hospital Milan, Italy; 6University of Rome La Sapienza Rome, Italy; 7Catholic University of Sacred Heart Rome, Italy; 8LUM University Bari, Italy; 9Rheumatology Unit, Fondazione IRCCS Policlinico San Matteo Pavia, Italy; 10University of Milan Milan, Italy; 11University of Modena and Reggio Emilia Modena, Italy; 12Politechnic University of Marche Ancona, Italy”. Reumatismo 77 (s1). https://doi.org/10.4081/reumatismo.2025.2376.