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It is essential that decisions about purchasing pressure-relieving products are made with reference to the results of clinical trials. This article, the first in a four-part series, outlines the criteria for choosing pressure-relieving products and sets the scene for a series of randomised, clinical trials of commonly used beds and overlays.
关于购买减压产品的决策必须参考临床试验结果。本文是一个四部分系列文章中的第一篇，概述了选择减压产品的标准，并为一系列常用病床和床垫的随机临床试验奠定了基础。
