The research of the combination of Oxycodone and intravenous injection of morphine in treatment of cancer pain and breakthrough cancer pain
CHEN Yaocheng, LIAO Yayong, YAO Jine, GUAN Jing
Journal of Practical Oncology . 2016, (5): 436 -440 .  DOI: 10.11904/j.issn.1002-3070.2016.05.010