human plasma von willebrand factor ( vwf ) plus the antibiotic ristocetin , or bovine or porcine vwf alone , agglutinates platelets in either normal human ethylenediaminetetraacetate ( edta ) -treated citrated platelet-rich plasma ( prp ) or citrated prp from patients with the congenital platelet defect thrombasthenia .
C0795677
human
C0032105
plasma