Copy and paste this citation
H. Kokki,
J. Wennervirta,
M. Laisalmi
and A. Vakkuri
(2007).
Regular tramadol use does not affect the propofol dose requirement for induction of anaesthesia. European Journal of Anaesthesiology,
24
,
pp 776-781
doi:10.1017/S0265021507000439