Vitamin B 12 -binding protein abnormality in subjects without myeloproliferative disease. II. The presence of a third vitamin B 12 -binding protein in serum.

Alpha-Globulins/analysis Antigen-Antibody Reactions Antigens/analysis Beta-Globulins/analysis Blood Proteins/analysis Chromatography, DEAE-Cellulose Chromatography, Gel Cobalt Isotopes Cross Reactions Electrophoresis Humans Leukocytosis/blood Molecular Weight Polycythemia Vera/blood Protein Binding Reticulocytes/metabolism Vitamin B 12/blood,metabolism

Alpha-Globulins Antigens Beta-Globulins Blood Proteins Cobalt Isotopes Vitamin B 12