参考文献
肿瘤学

        [1] Clausen J.Cancer pain management-opportunities beyond the WHO ladder.MEMO, 2009, 2:125-126.[2] Enck R E.Patient-controlled analgesia (PCA) .Am J Hosp Care, 1918, 5(4):13-15.[3] Abrolat M, Lhj E, Kalmus G, et al.Patient-controlled Analgesia (PCA):an Ov    （共 5933 字）     [阅读本文] >>