Clinical characteristics and natural history of patients with acute myocardial infarction sent home from the emergency room. - Lee,T.H.; Rouan,G.W.; Weisberg,M.C.; Brand,D.A.; Acampora,D.; Stasiulewicz,C.; Walshon,J.; Terranova,G.; Gottlieb,L.; Goldstein-Wayne,B. (Am J Cardiol, 1987)