article 2013 Comparison of the Efficacy of Dexmedetomidine plus Fentanyl Patient-controlled Analgesia with Fentanyl Patient-controlled Analgesia for Pain Control in Uterine Artery Embolization for Symptomatic Fibroid or Adenomyosis: A Prospective, Randomized Study ·doi:10.1594/ecr2013/c-0777