Plasma N-terminal pro-brain natriuretic peptide and adrenomedullin: new neurohormonal predictors of left ventricular function and prognosis after myocardial infarction - Richards, A M; Nicholls, M G; Yandle, T G; Frampton, C; Espiner, E A; Turner, J G; Buttimore, R C; Lainchbury, J G; Elliott, J M; Ikram, H; Crozier, I G; Smyth, D W (Circulation, 1998)