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\bibitem{King+Walsh2007} King, S. L. J., \& Walsh, K. (2007). {\textquoteright}I think PCA is great, but . . .{\textquoteright}- Surgical nurses{\textquoteright} perceptions of patient-controlled analgesia. \textit{International Journal of Nursing Practice}, \textit{13}(5), 276--283.

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