1. Report of the National Eye Institute/Industry Workshop on Clinical Trials in Dry Eyes;Lemp;CLAO J,1995
2. A statistical aid to the diagnosis of keratoconjunctivitis sicca;Anderson;Q J Med,1972
3. The dry eye: a diagnostic dilemma;Whitcher;Int Ophthalmol Clin,1998
4. The Copenhagen criteria for Sjögren's syndrome;Manthorpe;Scand J Rheumatol Suppl,1986
5. Pathogenesis of Sjögren's syndrome;Fox;Rheum Dis Clin North Am,1993