" Pernicious Anemia"
Pt will need to get B12 by IM inj 1000 unit per month
IM ; 20-23 gauge and 1-3 inches
is autoimmune dz. which thier own body attack GASTRIC Cell in stomach, so B12 can NOT form a complex w. intrinsic factor in order to get absorb--> "Pernicious Anemia vit b12 difficiency--> Magaloblastic or Macrocytic anemia ( could be either Folic acid or B12 )