Moh. Fathur Rozi, Nidia Nursafitri and Indiana Maharani Wijaya 2026. Diagnostic Utility Of Hemoglobin And Reticulocyte Parameters For Iron Deficiency In Children With Cyanotic Congenital Heart Disease: A Systematic Review . International Journal of Health Engineering and Technology. 5, 4 (Nov. 2026). DOI:https://doi.org/10.55227/ijhet.v5i4.1272.