Nandi S. Investigating Hypovitaminosis D and Childhood Nephrotic Syndrome: An Observational Study to Find Subjects in Need of Attention: Hypovitaminosis D in Nephrotic Syndrome. J Ped Nephrol [Internet]. 2025 Feb. 5 [cited 2026 Jul. 8];11(4). Available from: https://journals.sbmu.ac.ir/jpn/article/view/44926