<P> The main syndrome of vitamin B deficiency is pernicious anemia . It is characterized by a triad of symptoms : </P>
<P> The main syndrome of vitamin B deficiency is pernicious anemia . It is characterized by a triad of symptoms : </P>
a severe vitamin b12 deficiency results in what form of anemia
a severe vitamin b12 deficiency results in what form of anemia
pernicious
pernicious