Cummins, J M Immersion fixation of rapidly frozen, untreated tissues and suspensions of cells including spermatozoa. [electronic resource] - Journal of microscopy Jul 1975 - 121-5 p. digital Publication Type: Journal Article ISSN: 0022-2720 Standard No.: 10.1111/j.1365-2818.1975.tb04011.x doi Subjects--Topical Terms: AnimalsCytological TechniquesErythrocytes--ultrastructureFreezingMaleMuscles--cytologyMyocardium--ultrastructureRatsSpermatozoa--ultrastructureTissue Preservation