The Relationship Between Serum Vitamin D (25(OH)D3), C-Peptide, and Interleukin-2 Level in Children with Type 1 Diabetes Mellitus Journal title: Turkish Journal of Immunology Authors: Harjoedi Adji Tjahjono, Vivi Ratnasari, Edi Widjajanto, Andreas Budi Wijaya Subject(s):