@misc{9559,
  author = {I. Higginson and W. Gao},
  title = {Opioid prescribing for cancer pain during the last 3 months of life: associated factors and 9-year trends in a nationwide United Kingdom cohort study},
  year = {2012},
  journal = {J Clin Oncol},
  volume = {30},
  number = {35},
  pages = {4373-9},
  issn = {0732-183x},
  doi = {10.1200/jco.2012.42.0919},
}