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Mean Isovolume pressure flow curve at 65% vital capacity. Note onset of dynamic compression of the airways at divergence of Palv and isovolume pressure flow curve. Palv = alveolar pressure, Ppl = pleural pressure, VC = vital capacity, Pst(l) = static recoil pressure of the lung. [Adapted from (22). Copyright © 1967 The American Physiological Society. Used with permission.]
