KOCH, F L P Retinal vascular micrometry and essential hypertension. [electronic resource] - Archives of ophthalmology (Chicago, Ill. : 1929) Oct 1945 - 321-34 p. digital Publication Type: Journal Article Standard No.: 10.1001/archopht.1945.00890190323010 doi Subjects--Topical Terms: Blood PressureBlood Pressure DeterminationEssential HypertensionHypertension--complicationsRetina--blood supply