APA

Gramer E., Althaus G., . (19890317). [Progression of glaucomatous visual field damage--a clinical study with the Delta program of the Octopus Perimeter 201 in assessing the effect of early damage on visual field loss in glaucoma simplex]. : Fortschritte der Ophthalmologie : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft.

Chicago

Gramer E, Althaus G, . 19890317. [Progression of glaucomatous visual field damage--a clinical study with the Delta program of the Octopus Perimeter 201 in assessing the effect of early damage on visual field loss in glaucoma simplex]. : Fortschritte der Ophthalmologie : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft.

Harvard

Gramer E., Althaus G., . (19890317). [Progression of glaucomatous visual field damage--a clinical study with the Delta program of the Octopus Perimeter 201 in assessing the effect of early damage on visual field loss in glaucoma simplex]. : Fortschritte der Ophthalmologie : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft.

MLA

Gramer E, Althaus G, . [Progression of glaucomatous visual field damage--a clinical study with the Delta program of the Octopus Perimeter 201 in assessing the effect of early damage on visual field loss in glaucoma simplex]. : Fortschritte der Ophthalmologie : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft. 19890317.