von Willebrand factor.ristocetin cofactor activity/von Willebrand factor Ag:Ratio:Pt:PPP:Qn
von willebrand factor.ristocetin cofactor activity/von willebrand factor ag:ratio:pt:ppp:qn
vWf:RCo/vWF Ag PPP-Rto
vwf:rco/vwf ag ppp-rto