1. Randomised controlled trials and population-based observational research: partners in the evolution of medical evidence;Br J Cancer,2014
2. A comparison of observational studies and randomized, controlled trials;N Engl J Med,2000
3. The GRACE checklist for rating the quality of observational studies of comparative effectiveness: a tale of hope and caution;J Manag Care Spec Pharm,2014
4. In and out of the garbage can: a model of faculty decision making;Nurs Forum,1985
5. [From GIGO (garbage in, garbage out) to KABA (correct disease-relevant consultation, treatment-relevant response)–principles for effective diagnosis of infection];Langenbecks Arch Chir Suppl Kongressbd,1996