Ashiq, T. et al. 2021. DIAGNOSTIC ACCURACY OF SERUM FERRITIN AND SOLUBLE SERUM TRANSFERRIN RECEPTOR, TAKING BONE MARROW IRON STAIN AS A GOLD STANDARD FOR IRON DEFICIENCY ANEMIA IN HETEROGENOUS GROUP OF PATIENTS. Pakistan Armed Forces Medical Journal. 71, 6 (Dec. 2021), 1920–24. DOI:https://doi.org/10.51253/pafmj.v6i6.6855.