1. The quality of medical literature: an analysis of validation assessments;Williamson,1986
2. It is all in the numbers;Glantz;J Am Coll Cardiol,1993
3. The lady tasting tea—how statistics revolutionized science in the twentieth century;Salsburg,2002
4. Comparing the means of several groups;Godfrey,1992
5. Contingency tables in medical studies;Zelterman,1992