Radio-Iron in Plasma Does Not Exchange with Hemoglobin Iron in Red Cells Hahn, P. F. ; Bale, W. F. ; Ross, J. F. ; Hettig, R. A. ; Whipple, G. H. Abstract Publication: Science Pub Date: August 1940 DOI: 10.1126/science.92.2380.131 Bibcode: 1940Sci....92..131H