Isolation of the Antianemia Factor (Vitamin Bc) in Crystalline form from Liver Pfiffner, J. J. ; Binkley, S. B. ; Bloom, E. S. ; Brown, R. A. ; Bird, O. D. ; Emmett, A. D. ; Hogan, A. G. ; O'dell, B. L. Abstract Publication: Science Pub Date: April 1943 DOI: 10.1126/science.97.2522.404 Bibcode: 1943Sci....97..404P