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Ono M, Takamura E, Shinozaki K, Tsumura T, Hamano T, Yagi Y, Tsubota K (July 2004). "Therapeutic effect of cevimeline on dry eye in patients with Sjögren's syndrome: a randomized, double-blind clinical study". American Journal of Ophthalmology. 138 (1): 6–17. doi:10.1016/j.ajo.2004.02.010. PMID15234277.