Fig. 6

Diagram of AIG patients according to serum gastrin (a) and serum vitamin B₁₂ (b). All the 22 AIG patients showed high serum gastrin. Among them, 20 patients did not use vitamin B₁₂-containing agents and 13 patients (65%) of them showed low serum vitamin B₁₂ (a). In the 20 patients who did not use vitamin B₁₂-contaning agents, 13 patients showed low serum vitamin B₁₂. All of them showed high serum gastrin (b)