1. The mucocutaneous junction of the lid-margin and the distribution of the tear fluid;Wolff;Trans Ophthalmol Soc U K,1946
2. Another way to think of tears: blood, sweat and … “dacruon.”;Cher;Ocul Surf,2007
3. Structure and composition of rat precorneal tear film. A study by in vivo cryofixation;Chen;Invest Ophthalmol Vis Sci,1997
4. The preocular tear film: a small but highly complex part of the eye;Holly;Arch Soc Esp Oftalmol,2005
5. Meibomian gland function and the tear lipid layer;McCulley;Ocul Surf,2003