diastolic blood pressure , intracellular sodium and calcium concentrations , ouabain-sensitive na+ , k+-adenosine triphosphatase ( atpase ) activity , and net sodium efflux and potassium influx across red blood cell membranes were examined in both groups at the end of placebo run-in , at the end of the titration phase , and at the completion of study .
C0001479
na
C0001473
atpase