Differentiation of the two forms of GPIb functioning as receptors for a-thrombin and vonWillebrand factor: Ca2+responses of proteasetreated human platelets activated with a-thrombin and the tethered ligand peptide - Greco, N J; Jones, G D; Tandon, N N; Komhauser, R; Jackson, B; Jamieson, G A (Biochemistry, 1996)