Annals of Surgery, 276(6), 1047-1055. Lippincott Williams and Wilkins Annals of surgery, 276(6), 1047-1055. Lippincott Williams and Wilkins Knaapen, M, Hall, N J, Moulin, D, van der Lee, J H, Butcher, N J, Minneci, P C, Svensson, J F, St. Peter, S D, Adams, S, Nah, S A, Skarsgard, E D, Zani, A, Emil, S, Suominen, J S, Aziz, D A, Rai, R, Offringa, M, van Heurn, E W, Bakx, R & Gorter, R R 2022, ' International Core Outcome Set for Acute Simple Appendicitis in Children : Results of a Systematic Review, Delphi Study, and Focus Croups with Young People ', Annals of Surgery, vol. 276, no. 6, pp. 1047-1055 . https://doi.org/10.1097/SLA.0000000000004707
BMJ Open BMJ open, 9(5):e028861. BMJ Publishing Group Knaapen, M, Hall, N J, van der Lee, J H, Butcher, N J, Offringa, M, van Heurn, E W E, Bakx, R & Gorter, R R 2019, ' Establishing a core outcome set for treatment of uncomplicated appendicitis in children: Study protocol for an international Delphi survey ', BMJ Open, vol. 9, no. 5, e028861 . https://doi.org/10.1136/bmjopen-2018-028861 BMJ Open, 9(5):e028861. BMJ Publishing Group