from these results , correlations between p50 or red cell transmembrane ph gradient at the extracellular ph of 7.40 ( delta ph ) and red cell dpg/hemoglobin molar ratio ( chi ) were derived as p50 = 10.92 chi + 14.2 ( r = 0.91 ) or delta ph = 0.060 chi + 0.135 ( r = 0.70 ) .
C0014792
red cell
C0019046
hemoglobin