DOWNS, L E Mating types in Stylonychia putrina. [electronic resource] - Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.) Dec 1952 - 605-7 p. digital Publication Type: Journal Article ISSN: 0037-9727 Standard No.: 10.3181/00379727-81-19957 doi Subjects--Topical Terms: AnimalsBiological PhenomenaCiliophoraGadiformesPhysiological Phenomena