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Figure 4


Fig. 4. Sickle cell fraction as a function of time during in vitro recovery by increasing (A) saline pH in air-equilibrated samples from 7.03 to 7.97 (•; N=3) or (B) PO2 at pH 7.61 from zero to ~100 kPa ({blacksquare}; N=4). Data points on the right-hand side of the dotted line indicate values for cell suspensions kept at pH 7.97 under air (•) or pH 7.61 at a PO2 of ~100 kPa ({blacksquare}) throughout the experiments. Values are means ± s.d. Error bars are in some cases smaller than the symbol.