Engelen, A., E. Hensels, M. Den Brinker, H. Dotremont, A. France, and K. Van De Maele. “Vomiting, Constipation, and Weight Loss As Presenting Symptoms of Primary Hyperparathyroidism in a Paediatric Patient: A Case Report”. Belgian Journal of Paediatrics, vol. 26, no. 1, Apr. 2024, pp. 65-67, http://belgjpaediatrics.com/index.php/bjp/article/view/256.