E. Agustiani, C. E. Futihat, A. R. Arianti, and M. Maifitrianti, “The Effect Of Using Iron Chelation Drugs On Changes In Serum Ferritin Levels In Thalasemia Patients At The Regional General Hospital ‘X’ Bekasi City”, JFSI, vol. 8, no. 2, pp. 57-65, Dec. 2025.