Flow cytometry detection of platelet procoagulant activity and shed membrane microparticles in patients with unstable angina treated by percutaneous coronary angioplasty and stent implantation Catherine Vidal, Christian M. Spaulding, Fr�d�ric Schaison, Fran�oise Picard, Josiane Melle, Pascal Richard, Jacques Monsegu, Faycul Belaouchi, Simon Weber, Michaela Fontenay-Roupie. Cochin Hospital, Rene Descartes University, Paris, France