Now that you have thought about patient population, intervention, and outcome, it's time to design the ideal study you would do to answer your question. Don't make this harder than it needs to be, just dream up the ideal study you would do to look at the items you identified on the previous page.
Okay, ...what study design protocol would you use AND what study design do you think is most likely to have been published.....
Prospective Cohort Study
Retrospective Case Series