Lombard J, Biarent D, Michez D. Severe persistent hypocalcemia occurring despite vitamin D and calcium supplementation in children with symptomatic vitamin D deficiency . Belg J Paediatr [Internet]. 2023 Oct. 13 [cited 2026 Mar. 16];25(3):180-3. Available from: http://www.belgjpaediatrics.com/index.php/bjp/article/view/55