Serum, but not saliva, CXCL13 levels associate with infiltrating CXCL13+ cells in the minor salivary gland lesions and other histologic parameters in patients with sjögren's syndrome - Chatzis, L; Goules, A V; Stergiou, I E; Voulgarelis, M; Tzioufas, A G; Kapsogeorgou, E K (Front Immunol, 2021)