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. 2015 Oct 30;6:308. doi: 10.3389/fphys.2015.00308

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Copyright © 2015 Garcia-Tabar, Eclache, Aramendi and Gorostiaga.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Correction of fractional concentrations of oxygen. x₁ and x₂, true tank (x₁ = 15.05%) and room air (x₂ = 20.93%) fractions of oxygen; y₁ and y₂, fractions of tank (y₁ = 15.05%) and room oxygen (y₂ = 20.93%) read by the analyzer during the pre-test calibration process when the true tank (x₁) and room air (x₂) gases were aspirated by the analyzers; y′₁ and y′₂, fractions of tank (y′₁), and room oxygen (y′₂) read by the oxygen analyzer during the post-test verification process when true tank (x₁) and room air (x₂) gases were aspirated by the analyzers.