when carol re-entered the waiting room , she noticed that only two remained.she smiled at the remaining volunteers , and went to the checkout window.a nurse asked carol for her medication bottle.carol handed it to her and noted with surprise that she really didnt want to give it up.well return this to you after the study is concluded , '' the nurse reassured her as she handed carol a pamphlet outlining the rules of the study.read this over carefully.you can not consume any alcohol or unauthorized medications during the study.carol thanked the woman and left the building.when she reached the general vicinity of her car , she noticed brian carter in the parking lot .