Problem: Your patient has provided you with a research paper about a new treatment plan that is being used, somewhat controversially, in other areas of the world to treat sinus infections. She asks for your opinion. In reviewing the article, you educate the patient that they should look for which of the following, which are considered the highest level of Systematic review 25 / 56 CEA Exam Study online at quizlet? *Unblinded retrospective analysis *Expert opinion statement *Cohort study *Systematic review. Need Assignment Help?