1. A simple conjunctival biopsy;Egbert, P.R.; Laube, S.; Maurice, D.M.;AmJ Ophthalmol,1977
2. Staging of conjunctival squamous metaplasia by impression cytology;Tseng, S.C.G.;Ophthalmology,1985
3. Conjunctival surface damage distribution in keratoconjunctivitis sicca. An impression cytology study;Rolando, M.; Terragna, F.; Giordano, G.; Calabria, G.;Ophthalmology,1990
4. Impression cytology immunochemistry techniques;Iwata, R.T.; Burris, T.E.;Invest Ophthalmol Vis Sci,1989
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