von Willebrand factor.activity actual/Normal:RelRto:Pt:PPP:Qn:IA
von willebrand factor.activity actual/normal:relrto:pt:ppp:qn:ia
von Willebrand factor (vWf).activity actual/normal in Platelet poor plasma by Immunoassay
von willebrand factor (vwf).activity actual/normal in platelet poor plasma by immunoassay