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. 2016 Jan 26;4(2):e12681. doi: 10.14814/phy2.12681

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© 2016 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of the American Physiological Society and The Physiological Society.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Outward rectifier currents in cultured fibroblasts. (A) Voltage‐step protocols for current activation (top) and steady‐state inactivation (bottom). (B) Examples of currents recorded at different potentials in a SR (black) and AF (red) fibroblast. [K⁺]_o = 5.4 mmol/L. (C) Current–voltage relationship of outward peak and late currents. (D) Steady‐state inactivation of outward peak currents. A Boltzmann function was fitted to the data points (see Material and Methods). Fitting parameters are given in Table 3.