The Branch Vein Occlusion Study Group : Argon laser photocoagulation for macular edema in branch vein occlusion. Am J Ophthalmol 98 : 271-282, 1984
The Central Vein Occlusion Study Group : A randomized clinical trial of early panretinal photocoagulation for ischemic central vein occlusion. Ophthalmology 102 : 1434- 1444, 1995
The Branch Vein Occlusion Study Group : Argon laser scatter photocoagulation for prevention of neovascularization and vitreous hemorrhage in branch vein occlusion. Arch Ophthalmol 104 : 34-41, 1986
The Central Vein Occlusion Study Group : Evaluation of grid pattern photocoagulation for macular edema in central vein occlusion. Ophthalmology 102 : 1425-1433, 1995