Ligand bridging mediates integrin αIIbβ3 (Platelet GPIIb-IIIa) dependent homotypic and heterotypic cell-cell interactions - Gawaz, M P; Loftus, J C; Bajt, M L; Frojmovic, M M; Plow, E F; Ginsberg, M H (J Clin Invest, 1991)