Marotta, Roberta, Rossana Baccalini, Wanda Patrizia Porreca, and Gianlodovico Melzi d’Eril. 2013. “Appropriateness of the Request for Laboratory Tests in the Diagnosis of Systemic Autoimmune Diseases”. Microbiologia Medica 28 (1). https://doi.org/10.4081/mm.2013.2282.