A patient is admitted to the hospital with a vitamin B₁₂ deficiency. One possible cause could be a lack of which of the following components of gastric juice?

Question

A patient is admitted to the hospital with a vitamin B12 deficiency. One possible cause could be a lack of which of the following components of gastric juice?

A patient is admitted to the hospital with a vitamin B₁₂ deficiency. One possible cause could be a lack of which of the following components of gastric juice?