The Nurse Has Been Reading Everything She Can Find on a Particular

Multiple Choice

The nurse has been reading everything she can find on a particular clinical problem,using both the closest medical library and the Internet.Which of the following would be the most helpful source?

A) A journal with a whole issue devoted to research on that clinical problem
B) A randomized controlled clinical trial related to that clinical problem
C) A researcher who has built a career on studying that clinical problem
D) A systematic review related to the clinical problem