What is the incidence of myocardial necrosis in elective patients discharged on the same day following percutaneous coronary intervention?. Issue 12 (16th November 2004) - Porto, I; Blackman, D J; Nicolson, D; Niccoli, G; Kahn, F Z; Ormerod, O; Forfar, C; Channon, K; Banning, A P