1. Corneal staining subsequent sequential fluorescein instillations;Korb, D.R.; Herman, J.P.;J Am Optom Assoc,1978
2. Meibomian gland dysfunction and contact lens intolerance;Korb, D.R.; Henriquez, A.S.;J Am Optom Assoc,1980
3. Foam at outer palpebral canthus;Norn, M.S.;Acta Ophthalmol (Kbh),1963
4. The precorneal film;Ehlers, N.;Acta Ophthalmol (Kbh),1965
5. McCulley JP, Sciallis GF. Meibomian keratoconjunctivitis. Am J Ophthalmol 1977; 84: 788-97.