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. Author manuscript; available in PMC: 2013 Aug 19.
Published in final edited form as: Phys Med Biol. 2010 Apr 19;55(9):2669–2677. doi: 10.1088/0031-9155/55/9/016

Table 1.

The chemical formulae of the materials used for quantitative measurements.

Water PMMA POM PTFE LDPE PS
Chemical formula H2O (C5O2H8)n (CH2O)n (C2F4)n (C2H4)n (C8H8)n