Tubes--lines--and bubble traps on the district.

@article{Fitzmaurice1971TubeslinesandBT,
  title={Tubes--lines--and bubble traps on the district.},
  author={E M Fitzmaurice and D M Fowles},
  journal={Nursing times},
  year={1971},
  volume={67 38},
  pages={1196-7}
}