High platelet count in platelet-rich plasma reduces measured platelet inhibition by abcix-imab but not tirofiban nor eptifibatide glyco-protein IIb/IIIa receptor antagonists - Kereiakes, DJ; Broderick, TM; Roth, EM; Whang, D; Mueller, M; Lacock, P; Anderson, LC; Howard, W; Blanck, C; Schneider, J; Abbottsmith, CA (J Thromb Thrombolysis, 2000)