WE have now prepared from ox liver two red pigments both highly active in pernicious anæmia. The crude extract was purified by the methods employed by Emery, and Parker 1 and then by repeated ...

Pernicious anemia, a specific kind of anemia that occurs when the body cannot absorb enough B12. People with this condition lack a type of protein made in the stomach called intrinsic factor ...

One of the main causes of vitamin B12 deficiency is pernicious anemia, an autoimmune condition. In this condition, the body attacks the cells in the stomach that produce intrinsic factor, a protein ...