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Kashkouli, M.B. and Pakdel, F. and Amani, A. and Asefi, M. and Aghai, G.H. and Falavarjani, K.G. (2010) A modified schirmer test in dry eye and normal subjects: Open versus closed eye and 1-minute versus 5-minute tests. Cornea, 29 (4). pp. 384-387.