1. Basic principles and classification of dry eye disorders;Lemp,1992
2. Report of the National Eye Institute/Industry Workshop on Clinical Trials in Dry Eyes;Lemp;CLAO J,1995
3. Sjögren’s syndrome;Manthorpe;Allergy,1981
4. Primary Sjögren syndrome;Fox;Semin Arthritis Rheum,1984
5. Sjögren’s syndrome;Fox;Expert Opin Investig Drugs,2003