von Willebrand factor.ristocetin cofactor activity actual/Normal:RelTime:Pt:PPP:Qn:Platelet aggr
von willebrand factor.ristocetin cofactor activity actual/normal:reltime:pt:ppp:qn:platelet aggr
von Willebrand factor.ristocetin cofactor activity actual/Normal:Relative Time:To identify measures at a point in time:Platelet poor plasma:Quantitative:Platelet aggr
von willebrand factor.ristocetin cofactor activity actual/normal:relative time:to identify measures at a point in time:platelet poor plasma:quantitative:platelet aggr