[Vitamin B 12 deficiency conditions from the neuropsychiatric viewpoint].

@article{Wieck1972VitaminB1,
  title={[Vitamin B 12 deficiency conditions from the neuropsychiatric viewpoint].},
  author={Hans Heinrich Wieck and B Heerklotz},
  journal={Medizinische Monatsschrift},
  year={1972},
  volume={26 1},
  pages={7-10}
}