Collins, B A Sectioning of Epon blocks in the 20 m to 60 micromicron range for histological studies. [electronic resource] - Microscopica acta Jan 1979 - 227-30 p. digital Publication Type: Journal Article ISSN: 0044-376X Subjects--Topical Terms: AnimalsFishes--anatomy & histologyHistological TechniquesMicroscopy, InterferenceMicrotomyNervous System--cytologyPhotoreceptor Cells--cytology