Two multicenter, randomized studies of the efficacy and safety of cyclosporine ophthalmic emulsion in moderate to severe dry eye disease. CsA Phase 3 Study Group.
Ophthalmology. 2000 Apr;107(4):631-9. doi: 10.1016/s0161-6420(99)00176-1.
Ophthalmology. 2000.
PMID: 10768324
Clinical Trial.