title: Negative results and the limitations of power.
authors.affiliation: Department of Surgery, St Vincent's Hospital Melbourne, Victoria, Australia.
authors.forename: Anthony
authors.initials: A
authors.lastname: Penington
mesh_terms: D016001:Confidence Intervals; D003627:Data Interpretation, Statistical; D006801:Humans; D011336:Probability; D012107:Research Design; D018401:Sample Size