1. Øresland T, Faerden AE. Surgery in the age of biological treatment. Scand J Gastroenterol. 2015;50(1):121–7.
2. Ahmed Ali U, Martin ST, Rao AD, Kiran RP. Impact of preoperative immunosuppressive agents on postoperative outcomes in Crohn’s disease. Dis Colon Rectum. 2014;57(5):663–74.
3. Kirchhoff P, Clavien PA, Hahnloser D. Complications in colorectal surgery: risk factors and preventive strategies. Patient Saf Surg. 2010;4(1):5.
4. Bellolio F, Cohen Z, Macrae HM, O’Connor BI, Huang H, Victor JC, et al. Outcomes following surgery for perforating Crohn’s disease. Br J Surg. 2013;100(10):1344–8.
5. Yamamoto T, Allan RN, Keighley MR. Risk factors for intra-abdominal sepsis after surgery in Crohn’s disease. Dis Colon Rectum. 2000;43(8):1141–5.