@misc{9110,
  author = {V. Chhaya and S. Saxena and E. Cecil and S. Chatu and V. Subramanian and V. Curcin and A. Majeed and R. Pollok},
  title = {The impact of timing and duration of thiopurine treatment on colectomy in ulcerative colitis: a national population-based study of incident cases between 1989-2009},
  year = {2015},
  journal = {Aliment Pharmacol Ther},
  volume = {41},
  number = {1},
  pages = {87-98},
  issn = {0269-2813},
  doi = {10.1111/apt.13017},
}