1. Physiology of the Eye: An Introduction to the Vegetative Functions;Fatt,1992
2. Some physiological aspects of the precorneal tear film;Mishima;Arch. Ophthalmol.,1965
3. The viscosity of human tears;Tiffany;Int. Ophthalmol.,1991
4. Optical and visual impact of tear break-up in human eyes;Tutt;Invest. Ophthalmol. Vis. Sci.,2000
5. The tear film and ocular mucins;Davidson;Vet. Ophthalmol.,2004