Van Camp, L., L. Hoste, E. Vermeiren, S. Moniotte, and A. Bael. “Paediatric Subspecialties in Belgium: Past, Present, and Future”. Belgian Journal of Paediatrics, vol. 24, no. 4, Jan. 2023, pp. 267-71, https://belgjpaediatrics.com/index.php/bjp/article/view/23.