Letters

Compare maximum and minimum pressures

BMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6966.1436c (Published 26 November 1994) Cite this as: BMJ 1994;309:1436
  1. Michael Clark*
  1. Clinical director, Pegasus Airwave, Waterlooville, Hampshire PO7 7XX.

    EDITOR,—R K Vohra and C N McCollum's use of measurements of contact (interface) pressure to express the effectiveness of pressure redistributing devices in preventing pressure sores have repeated common misconceptions of the use of such data.1 The authors comment that the use of alternating air mattresses should be …

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