Abstract PR433: Pharmacokinetics of Bupivacaine in Combination with Clonidine Versus Dexmedetomidine in Spinal Anesthesia. (September 2016) - Hamdi, M.; Boughariou, S.; Zbidi, B.; Zakhama, S.; Sfeyhi, N.; Salouage, I.; Boussafara, M.