TY - STAND AU - V. Chhaya AU - S. Saxena AU - E. Cecil AU - S. Chatu AU - V. Subramanian AU - V. Curcin AU - A. Majeed AU - R. Pollok BT - Aliment Pharmacol Ther DO - 10.1111/apt.13017 M1 - 1 PY - 2015 SP - 87 EP - 98 T2 - Aliment Pharmacol Ther TI - 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 VL - 41 SN - 0269-2813 ER -