@misc{8811,
  author = {S. Holden and S. Jenkins-Jones and C. Currie},
  title = {Association between Insulin Monotherapy versus Insulin plus Metformin and the Risk of All-Cause Mortality and Other Serious Outcomes: A Retrospective Cohort Study},
  year = {2016},
  journal = {PLoS One},
  volume = {11},
  number = {5},
  pages = {e0153594},
  issn = {1932-6203},
  doi = {10.1371/journal.pone.0153594},
}