Glanzmann thrombasthenia secondary to a Gly23>Asp mutation adjacent to the first calcium-binding domain of platelet glycoprotein IIb. - Poncz, M; Rifat, S; Coller, BS; Newman, PJ; Shattil, SJ; Parrella, T; Fortina, P; Bennett, JS (J Clin Invest, 1994)