Experience collecting interim data on mortality: an example from the RALES study
Janet Wittes, Jolie Palensky, Debra Asner, Desmond Julian, Jean-Pierre Boissel, Curt D Furberg, Henri Kulbertus, Stuart Pocock, and Barbara Roniker
Curr Control Trials Cardiovasc Med. 2001; 2(1): 59–62. Published online 2001 February 7. doi: 10.1186/cvm-2-1-059.PMCID: PMC56203