Sera from a group of 79 patients with pernicious anemia were studied for the presence of antibody to intrinsic factor. Two general types of antibody activity were found, and it was possible to distinguish three groups of pernicious anemia sera on the basis of their content of these types.
Authors
Stanley G. Schade, Johannes Abels, Robert F. Schilling, Patricia Feick, Mary Muckerheide
