3Franco C D, Gloss F J, Voronov G, et al. Supraclavicu- lar block in the obese population: an analysis of 2020 blocks[ J]. Anesth Analg, 2006,102(4) : 1252-1254.
4Mather L E, Copeland S E, Ladd L A. Acute toxicity of local anesthetics: underlying pharmacokinetic and phar- ma-codynamic concepts [ J]. Reg Anesth Pain Med, 2005,30 ( 6 ) : 553-566.
5Zhu Y L, Jing G X, Zhu D, et al. Awaits that throat thicket is checked inner place the down carotid membrane to strip off the skill-attachs that 32 instances analyse con- temporary[J]. Chin J Mod Med, 2004,8(8) :80.
6Penttila J, Helminen A, Anttila M, et al. Caradiovaseular and parasympathetic effects of dexmetomidine in healthy subjects [J]. Can J Physiol Pharmacol, 2004,82(5) :359-362.
