References
- Altman D, Bland M. Absence of evidence is not evidence of absence. BMJ 1995; 311: 485
- Levine M, Ensom MH. Post hoc power analysis: an idea whose time has passed?. Pharmacotherapy 2001; 21: 405–9
- Lesaffre E, Bluhmki E, Wang-Clow F, Berioli S, Danays T, Fox NL, et al. The general concepts of an equivalence trial, applied to ASSENT-2, a large-scale mortality study comparing two fibrinolytic agents in acute myocardial infarction. Eur Heart J 2001; 22: 898–902