Long-term glucocorticoid treatment and high relapse rate remain unresolved issues in the real-life management of polymyalgia rheumatica: a systematic literature review and meta-analysis. - Floris, Alberto; Piga, Matteo; Chessa, Elisabetta; Congia, Mattia; Erre, Gian Luca; Angioni, Maria Maddalena; Mathieu, Alessandro; Cauli, Alberto (Clinical Rheumatology, 2022)