GREGOR, H P Improved methods of preparation of electropositive permselective protamine collodion membranes. [electronic resource] - The Journal of physical chemistry Mar 1946 - 88-96 p. digital Publication Type: Journal Article ISSN: 0022-3654 Standard No.: 10.1021/j150446a002 doi Subjects--Topical Terms: CollodionMembranesProtamines