What obstacles, if any, do you think the investigators faced when conducting this trial
What were the objectives of this case? What population was studied? What methods were used? What were the results of this study? Were the results of this study positive or negative? What did the investigators conclude? What obstacles, if any, do you think the investigators faced when conducting this trial? https://northeastern.instructure.com/courses/125676/files/18463143?verifier=yxQAILUY3GwbALNLzpSqRmgqhPgWhta5SrnSw9IE&wrap=1 From this material