Nutrition classics. The Journal of Biological Chemistry, Volume 247, 1972: Isolation of vitamin B12-binding proteins using affinity chromatography. Preparation and properties of vitamin B12-Sepharose. By Robert H. Allen and Philip W. Majerus.
D002846:Chromatography, Affinity; D049673:History, 20th Century; D014155:Transcobalamins / Q000302:isolation & purification*
D014155:Transcobalamins