[X-ray studies of the gastrointestinal system in Biermer's anemia].

@article{KNAACK1958XraySO,
  title={[X-ray studies of the gastrointestinal system in Biermer's anemia].},
  author={H J KNAACK and H J OPPERMANN},
  journal={Medizinische Klinik},
  year={1958},
  volume={53 52},
  pages={2213-6}
}