1. Efficiency and survival of the corneal endothelial pump;Dikstein;Exp Eye Res,1973
2. On corneal thickness and intraocular pressure. II. A clinical study on the thickness of the corneal stroma in glaucomatous eyes;Ehlers;Acta Ophthalmol (Copenh),1970
3. Ehlers N 1982 Presented at 23 Meeting for Association for Eye Research
4. A technical improvement of the Haag-Streit pachometer;Ehlers;Acta Ophthalmol (Copenh),1977
5. A clinical study of the normal human central corneal thickness;Kruse Hansen;Acta Ophthalmol (Copenh),1971