... 1998,17:657-665.15. Asatsuma M, Ito S, Watanabe M, Takeishi H, Nomura S, Wada Y,Nakano M, Gejyo F, Igarashi A: Increase in the ratio of matrixmetalloproteinase-9 to tissue inhibitor of metalloprotein-ase-1 ... 43:1756-67.19. Azuma M, Aota K, Tamatani T, Motegi K, Yamashita T, Ashida Y, Hay-ashi Y, Sato M: Suppression of tumor necrosis factor α-inducedmatrix metalloproteinase 9 production in human salivarygland ... [1]. It isassociated with symptoms of xerostomia and xerophtal-mia, and mononuclear cell infiltration of exocrine glands.Arthralgia, myalgia, Raynaud's phenomenon and fatigueare the most...