SHAH MASUD HAYDER; SHABARNA ROY; NEHA KARAR; DIPANJAN HALDER; RIJWOANA AKTAR. To study the difference of serum Vitamin D3 level and calcium profile in childhood multitransfused beta-thalassemia major between children receiving chelation therapy and those not receiving chelation therapy in a tertiary care hospital, Kolkata. Asian Journal of Medical Sciences, [S. l.], v. 16, n. 5, p. 44–50, 2025. Disponível em: https://nepjol.info/index.php/AJMS/article/view/76995. Acesso em: 5 dec. 2025.