Withdrawal of Glucocorticoid Therapy is Difficult in Women with Polymyalgia Rheumatica: An Observational Study oleh Aoki D, Kajiwara N, Irishio K, Kato Y, Suezaki S, Kageyama M, Misago M, Tamai D, Nakao S, Ueoka T, Ito M, Murakami S