associated with these findings , fibroblasts from blacks had higher cellular na+ concentration than did those from whites ( 9.78 +/- 0.512 vs 7.50 +/- 0.400 meq/l ; p = 0.0170 , as measured by atomic absorption , and 7.84 +/- 0.470 vs 5.03 +/- 0.980 meq/l ; p = 0.0141 , as derived from the equilibrium distribution ratio of 22na+ ) .
C0016030
fibroblasts
C0007634
cellular