Human middle ear gas composition studied by mass spectrometry.

  title={Human middle ear gas composition studied by mass spectrometry.},
  author={Leif Hergils and Bengt Magnuson},
  journal={Acta oto-laryngologica},
  volume={110 1-2},
The purpose of this study was to develop a procedure for mass spectrometric measurement fitted to analyse the human middle ear gas composition, and to determine the partial pressures of the middle ear gases in adults with healthy ears. To avoid the risks of admixture of the gas sample with atmospheric air we used "on-line" sampling from the middle ear to the analysing equipment, and a new protective technique at the site of puncture. The inlet system was modified to achieve sufficiently low gas… CONTINUE READING

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