[Monocular double images].

@article{GrambergDanielsen1957MonocularDI,
  title={[Monocular double images].},
  author={B. Gramberg-Danielsen},
  journal={Klinische Monatsblatter fur Augenheilkunde und fur augenarztliche Fortbildung},
  year={1957},
  volume={130 5},
  pages={610-7}
}