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Photocoagulation for optic disc new vessels in diabetes mellitus

E. Kohner, A. Hamilton, R. Blach, 1981, International Ophthalmology.

Panretinal photocoagulation in central retinal vein occlusion: A randomised controlled clinical study.

E. Kohner, L. Laatikainen, R. Blach, 1977, The British journal of ophthalmology.