Doing the Right Thing Right: Is Evidence-Based Medicine the Answer? Review of EVIDENCE-BASED MEDICINE: HOW to PRACTICE and TEACH EBM, by D.L. Sackett, W.S. Richardson, W. Rosenberg and R.B. Haynes; and EVIDENCE-BASED HEALTHCARE: HOW to MAKE HEALTH POLICY and MANAGEMENT DECISIONS, by J.A. Muir Gray)