Mahbub C. Mishu and  Venketesh N. Dubey and  Tamas Hickish and  Jonathan Cole,  Mathematical Modelling of Different Types of Body Support Surface for Pressure Ulcer Prevention.   journal   = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2014, vol. 89(5). 230 - 235
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