[Significance of contraction of the suprahiatal esophageal ring (Shatzky's ring)].

@article{MALENCHINI1957SignificanceOC,
  title={[Significance of contraction of the suprahiatal esophageal ring (Shatzky's ring)].},
  author={M MALENCHINI and H RESANO},
  journal={El Dia medico},
  year={1957},
  volume={29 76},
  pages={2760 passim}
}