Effects of Ultrasound-Guided Supraclavicular Block Using Bupivacaine-Dexmedetomidine or Bupivacaine Alone in Hemodynamics of Patients Undergoing Upper Limb Orthopedic Surgery - Espahbodi, Ebrahim; Marashi, Seyed Mojtaba; Khajenasiri, Ali Reza; Sanatkar, Mehdi; Yousefi, Siamak; Atef Yekta, Reza (Acta Medica Iranica, 2022)