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. 2016 Jul 19;7:12146. doi: 10.1038/ncomms12146

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The pressure dependence of the square root of the initial slope of the line divided by , which corresponds to the effective mass in a simple picture. For comparison, the low-pressure data from ref. 26 are also indicated (blue squares).

Inline graphic — The pressure dependence of the square root of the initial slope of the line divided by , which corresponds to the effective mass in a simple picture. For comparison, the low-pressure data from ref. 26 are also indicated (blue squares).