Improved visualization in uterine phlebography.

@article{Kauppila1971ImprovedVI,
  title={Improved visualization in uterine phlebography.},
  author={Antti Kauppila and P{\"a}ivi J{\"a}rvinen and Pauli Vuorinen},
  journal={The British journal of radiology},
  year={1971},
  volume={44 520},
  pages={284-9}
}