Platelets from a patient heterozygous for the defect of P2CYC receptors for ADP have a secretion defect despite normal thromboxane A2 production and normal granule stores: further evidence that some cases of platelet ‘primary secretion defect’ are heterozygous for a defect of P2CYC receptors - Cattaneo,M.; Lecchi,A.; Lombardi,R.; Gachet,C.; Zighetti,M.L. (Arterioscler Thromb Vasc Biol, 2000)