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References
1.
Mao
J
. Opioid-induced abnormal pain sensitivity: implications in clinical opioid therapy . Pain , 2000 ; 100 :213 –217 .
2.
Portenoy
RK
,
Forbes
K
,
Lussier
D
,
Hanks
G
. Difficult pain problems: an integrated approach .
Doyle
D
,
Hanks
G
,
Cherny
N
,
Calman
K
. Oxford Textbook of Palliative Medicine , 3rd . New York, NY : Oxford University Press , 2004 ; 439 .
3.
Laird
D
,
Lovel
T
. Paradoxical pain (letter) Lancet , 1993 ; 341 :241 .
4.
Walker
SM
,
Cousins
MJ
. Reduction in hyperalgesia and intrathecal morphine requirements by low-dose ketamine infusion (letter) J Pain Symptom Manage , 1997 ; 14 :129 –133 .
5.
Carroll
IR
et al. Management of perioperative pain in patients chronically consuming opioids . Reg Anesth Pain Med , 2004 ; 29 :576 –591 .
