Philippe Michel, Jean Luc Quenon, Anne Marie de Sarasqueta, Olivier Scemama
Michel P, Quenon J L, de Sarasqueta A M, Scemama O.
Comparison of three methods for estimating rates of adverse events and rates of preventable adverse events in acute care hospitals
BMJ 2004; 328 :199
doi:10.1136/bmj.328.7433.199