NANDI, Sayantani. Investigating Hypovitaminosis D and Childhood Nephrotic Syndrome: An Observational Study to Find Subjects in Need of Attention: Hypovitaminosis D in Nephrotic Syndrome. Journal of Pediatric Nephrology, Tehran, Iran, v. 11, n. 4, 2025. DOI: 10.22037/jpn.v11i4.44926. Disponível em: https://journals.sbmu.ac.ir/jpn/article/view/44926. Acesso em: 8 jul. 2026.