1. Tear film osmolarity and keratoconjunctivitis sicca;Gilbard,1986
2. Tear analysis in contact lens wearers;Farris;Trans. Ophthal. Soc.,1985
3. Buffering in human tears: pH responses to acid and base challenge;Carney;Invest. Ophthalmol. Vis. Sci.,1989
4. The role of meibomian secretion in the tears;Tiffany;Trans. Ophthalmol. Soc. UK,1985
5. Human tear film lipids. I. Composition of the principal nonpolar component;Andrews;Exp. Eye Res.,1970