Horlocker, 2003, Reg Anesth Pain Med, 28, 172
Hebl, 2006, Reg Anesth Pain Med, 31, 311, 10.1016/j.rapm.2006.04.004
Hebl, 2006, Reg Anesth Pain Med, 31, 289, 10.1016/j.rapm.2006.05.001
Horlocker, 2006, Reg Anesth Pain Med, 31, 334, 10.1016/j.rapm.2006.04.002
Rathmell, 2006, Reg Anesth Pain Med, 31, 346
Wedel, 2006, Reg Anesth Pain Med, 31, 324, 10.1016/j.rapm.2006.04.003
Brull, 2007, Reg Anesth Pain Med, 32, 7
Domino, 2007, Reg Anesth Pain Med, 32, 1, 10.1016/j.rapm.2007.06.008
Moen, 2004, Anesthesiology, 101, 950, 10.1097/00000542-200410000-00021
Auroy, 1997, Anesthesiology, 87, 479, 10.1097/00000542-199709000-00005
Wang, 1999, Anesthesiology, 91, 1928, 10.1097/00000542-199912000-00046
Lee, 2004, Anesthesiology, 101, 143, 10.1097/00000542-200407000-00023
Liguori, 2004, J Neurosurg Anesthesiol, 16, 84, 10.1097/00008506-200401000-00018
Borgeat, 2001, Anesth Analg, 95, 875, 10.1097/00000542-200110000-00015
Neal, 2002, Reg Anesth Pain Med, 27, 402, 10.1053/rapm.2002.36490
Auroy, 2002, Anesthesiology, 97, 1274, 10.1097/00000542-200211000-00034
Fitzgibbon, 2004, Anesthesiology, 100, 98, 10.1097/00000542-200401000-00018
Lee, 2008, Reg Anesth Pain Med, 33, 416
Neal, 2008, Reg Anesth Pain Med, 33, 423, 10.1016/j.rapm.2006.10.014
Neal, 2003, Reg Anesth Pain Med, 28, 124
Rathmell, 2004, Reg Anesth Pain Med, 29, 397
Upton, 1973, Lancet, 2, 359, 10.1016/S0140-6736(73)93196-6
Hebl, 2001, Anesth Analg, 92, 249, 10.1097/00000539-200101000-00049
Sorenson, 2008, Reg Anesth Pain Med, 33, 442, 10.1016/j.rapm.2005.08.011
Moayeri, 2008, Anesthesiology, 108, 299, 10.1097/01.anes.0000299433.25179.70
Hogan, 2008, Reg Anesth Pain Med, 33, 435, 10.1016/j.rapm.2008.03.002
Karaca, 2003, Reg Anesth Pain Med, 28, 380, 10.1097/00115550-200309000-00004
Urmey, 2002, Anesthesiology, 96, 552, 10.1097/00000542-200203000-00008
Choyce, 2001, Reg Anesth Pain Med, 26, 100, 10.1097/00115550-200103000-00002
Perlas, 2006, Reg Anesth Pain Med, 31, 445, 10.1016/j.rapm.2006.05.017
Hadzic, 2004, Reg Anesth Pain Med, 29, 417, 10.1097/00115550-200409000-00005
Tsui, 2008, Reg Anesth Pain Med, 33, 168
Urmey, 2006, Reg Anesth Pain Med, 31, 463, 10.1016/j.rapm.2006.06.004
Hebl, 2008, Anesthesiology, 108, 186, 10.1097/01.anes.0000299835.04104.02
Higashizawa, 2003, Masui, 52, 1335
Bamford, 1978, Can J Neurol Sci, 5, 41, 10.1017/S0317167100024732
Bader, 1988, J Clin Anesth, 1, 21, 10.1016/0952-8180(88)90006-2
Hebl, 2006, Anesth Analg, 103, 223, 10.1213/01.ane.0000220896.56427.53
Hebl, 2006, Anesth Analg, 103, 1294, 10.1213/01.ane.0000243384.75713.df
Kalichman, 1992, Anesthesiology, 77, 941, 10.1097/00000542-199211000-00017
Hebl, 2001, Anesth Analg, 93, 1606, 10.1097/00000539-200112000-00058
Koff, 2008, Anesthesiology, 108, 325, 10.1097/01.anes.0000299833.73804.cd
Viscomi, 2000, Reg Anesth Pain Med, 25, 286, 10.1097/00115550-200005000-00014
Calleja, 1991, Anaesthesia, 46, 946, 10.1111/j.1365-2044.1991.tb09855.x
Sharrock, 1990, Br J Anaesth, 65, 237, 10.1093/bja/65.2.237
Houten, 2002, Spine J, 2, 70, 10.1016/S1529-9430(01)00159-0
Huntoon, 2004, Reg Anesth Pain Med, 29, 494, 10.1097/00115550-200409000-00016
Moore, 1998, Anesth Analg, 86, 1015, 10.1213/00000539-199805000-00020
Mulroy, 1997, Anesth Analg, 85, 1346, 10.1213/00000539-199712000-00030
Bernards, 2008, Reg Anesth Pain Med, 33, 449, 10.1016/j.rapm.2008.07.529
Capdevila, 2005, Anesthesiology, 103, 1035, 10.1097/00000542-200511000-00018
Selander, 1979, Acta Anaesthesiol Scand, 23, 27, 10.1111/j.1399-6576.1979.tb01417.x
Stan, 1995, Reg Anesth, 20, 486
Benumof, 2000, Anesthesiology, 93, 1541, 10.1097/00000542-200012000-00033
Giebler, 1997, Anesthesiology, 86, 55, 10.1097/00000542-199701000-00009
Tanaka, 1993, Reg Anesth, 18, 34
Kil, 2007, Reg Anesth Pain Med, 32, 102
Rathmell, 2004, Anesthesiology, 100, 1595, 10.1097/00000542-200406000-00035
Huntoon, 2005, Pain, 117, 104, 10.1016/j.pain.2005.05.030
Hoeft, 2006, Reg Anesth Pain Med, 31, 270, 10.1016/j.rapm.2005.10.015
Benzon, 2007, Anesthesiology, 106, 331, 10.1097/00000542-200702000-00022