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Identification of the optimal treatment strategy for complex appendicitis in the paediatric population: a protocol for a multicentre prospective cohort study (CAPP study).
van Amstel P, Bakx R, van der Lee JH, van der Weide MC, Eekelen RV, Derikx JPM, van Heurn ELW, Gorter RR; CAPP collaborative study group. van Amstel P, et al. Among authors: eekelen rv. BMJ Open. 2022 Feb 17;12(2):e054826. doi: 10.1136/bmjopen-2021-054826. BMJ Open. 2022. PMID: 35177453 Free PMC article.