Vitamin B12 absorption and gastric antibodies in rheumatoid arthritis.

@article{Couchman1968VitaminBA,
  title={Vitamin B12 absorption and gastric antibodies in rheumatoid arthritis.},
  author={Kenneth G Couchman and L Bieder and Richard D. Wigley and A G Glenday},
  journal={The New Zealand medical journal},
  year={1968},
  volume={68 436},
  pages={153-6}
}