1. The variation and covariation of cup and disc diameters;Bengtsson;Acta Ophthalmol,1976
2. Photographie stéréoscopique et photogrammétrie de l'excavation physiologique de la papille;Betz;J Fr Ophtalmol,1981
3. Optic disc, cup and neuroretinal rim size, configuration and correlations in normal eyes;Jonas;Invest Ophthalmol Vis Sci,1988
4. Larger optic nerve heads have more nerve fibers in normal monkey eyes;Quigley;Arch Ophthalmol,1991
5. Human optic nerve fiber count and optic disc size;Jonas;Invest Ophthalmol Vis Sci,1992