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Figure 6


Fig. 6. The sickle cell fraction (A) and ouabain-insensitive Na uptake (B) in cells exposed to a saline pH of 7.97 ({square}); saline pH of 7.03 (•); saline pH of 7.03 with 10–5 mol l–1 isoproterenol alone ({square}) or together with 10–4 mol l–1 amiloride ({blacksquare}). * indicates significant difference (P<0.05) from first sampling time within same treatment, {dagger} indicates cells at pH 7.03 only that are significantly different (P<0.05) from samples at saline pH 7.03 with isoproterenol. Values are means ± s.d. N=8 (A) and 5 (B). Error bars are in some cases smaller than the symbol.