Christensen, P & 2017 and 2015 European Society of Coloproctology (ESCP) collaborating groups 2018, ' The impact of conversion on the risk of major complication following laparoscopic colonic surgery an international, multicentre prospective audit ', Colorectal Disease, vol. 20 Suppl 6, pp. 69-89 . https://doi.org/10.1111/codi.14371 El-Hussuna, A, Ceccotti, A A, Madsbøll, T K, Straarup, D, Ovesen, A U & 2017 and 2015 European Society of Coloproctology (ESCP) collaborating groups 2018, ' The impact of conversion on the risk of major complication following laparoscopic colonic surgery : an international, multicentre prospective audit ', Colorectal Disease, vol. 20, no. Suppl 6, pp. 69-89 . https://doi.org/10.1111/codi.14371 Colorectal disease, 20, 69-89. Wiley-Blackwell Colorectal Disease, 20, 69-89. Wiley