Mass, A M Ganglion cells density and retinal resolution in the sea otter, Enhydra lutris. [electronic resource] - Brain, behavior and evolution Mar 2000 - 111-9 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0006-8977 Standard No.: 10.1159/000006646 doi Subjects--Topical Terms: AnimalsCell CountGanglia--cytologyOtters--physiologyRetina--cytologyVisual Acuity--physiology