Achalasia of the external os (or conglutination of the external os).

  • Jason Waterman
  • Published 1947 in
    The Journal of obstetrics and gynaecology of the…
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Cite this paper

@article{Waterman1947AchalasiaOT, title={Achalasia of the external os (or conglutination of the external os).}, author={Jason Waterman}, journal={The Journal of obstetrics and gynaecology of the British Empire}, year={1947}, volume={54 5}, pages={670-2} }