Memon, G. A.; Khan, T. J.; Abbas, S.; Shaikh, G. A.; Shah, N.; Kayani, H. A.; Habib, M. A. Prevalence of Iron Deficiency Anaemia Among Microcytic Anaemic Premenopausal Patients at Tertiary Care Hospital, Karachi. Int J Community Med Public Health 2020, 7, 4720-4726.