Ticlopidine and clopidogrel (SR 25990 C) selectively neutralize ADP inhibition of PGE1-activated platelet adenylate cyclase in rats and rabbits - Defreyn, G; Gachet, C; Savi, P; Driot, F; Cazenave, J P; Maffrand, J P (Thromb Haemostas, 1991)