Effect of calcium on GP IIa-IIIa interactions with Integrilin: Enhanced GP IIb-IIIa binding and inhibition of platelet aggregation by reductions in the concentration of ionized calcium in plasma anticoagulated with citrate - Phillips, DR; Teng, W; Arfsten, A; Nannizzi-Alaimo, L; White, MM; Longhurst, C; Shattil, SJ; Randolph, A; Jakubowski, JA; Jennings, LK; Scarborough, RM (Circulation, 1997)