drug therapy is a complex and important process and because of the importance of drug interactions, especially in in-patients, accompanying problems and obstacles would exist as a result of concomitant use of drugs in these patients. for this purpose 3130 prescription order forms from bou-ali hospital were collected and all potential drug interactions presentwere extracted and evaluated in term...

6-Step Method for Tests of Significance ........................................................................ 1 Estimation versus Testing ............................................................................................... 2 Overview of Tests of Significance .................................................................................. 3 Purpose of Significance Testing ..........