Patient knowledge and understanding of radiation from diagnostic imaging.

sider banning physicians from accepting food and beverages in the workplace. Any potential interventions should be targeted toward older physicians, internists, and those in solo or 2-person practices. Our study has several limitations. First, because of social desirability bias, our results likely represent a lowerbound estimate of the actual frequency of physicians prescribing brand-name drugs at the patients’ requests. Second, we were unable to adjust the result for the frequency with which physicians were asked by patients for a specific brand-name drug. Finally, our study was not able to examine whether a brand-name drug was actually dispensed at the pharmacy, given that some states have laws that allow pharmacists to substitute a generic for a brand-name prescription.