An open label trial of the effects and safety profile of extended-release tramadol in the management of chronic pain.

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@article{Hsu2012AnOL, title={An open label trial of the effects and safety profile of extended-release tramadol in the management of chronic pain.}, author={Shao-Keh Hsu and Chun-Chang Yeh and Chii-Jeng Lin and Yi-Jer Hsieh}, journal={Acta anaesthesiologica Taiwanica : official journal of the Taiwan Society of Anesthesiologists}, year={2012}, volume={50 3}, pages={101-5} }