Clopidogrel inhibits the binding of ADP analogues to the receptor mediating inhibition of platelet adenylate cyclase - Mills, D C B; Puri, R; Hu, C J; Minniti, C; Grana, G; Freedman, M D; Colman, R F; Colman, R W (Arteriosclerosis and Thrombosis, 1992)