Cells.CD4+CD45RO+/Cells.CD3+CD4+:NRto:Pt:Bld:Qn
cells.cd4+cd45ro+/cells.cd3+cd4+:nrto:pt:bld:qn
CD4+CD45RO+ cells/CD3+CD4+ (T4 helper) cells (Bld) [# ratio]
cd4+cd45ro+ cells/cd3+cd4+ (t4 helper) cells (bld) [# ratio]