SHAPIRA, R Artificially induced microheterogeneity in ribonuclease. [electronic resource] - Biochemical and biophysical research communications Aug 1960 - 200-4 p. digital Publication Type: Journal Article ISSN: 0006-291X Standard No.: 10.1016/0006-291x(60)90223-0 doi Subjects--Topical Terms: Ribonucleases--chemistry