A heparin-controlled study of MK-383 in unstable angina (abstr.) - Theroux, P; White, H; David, D; Van de Werf, F; Nienaber, C A; Charbonnier, B; Erhardt, L; Gill, J; Hillis, W S; Jennings, G; Tan L-, B; Deschenes, N; Fitzpatrick, V; Sax, F L (Circulation, 1994)