Nwosu, Arinze D.G. “Preoperative Anaemia in Surgical Patients: Intravenous Iron and Erythropoiesis-Stimulating Agents (ESAs) to the Rescue”. Annals of Clinical and Biomedical Research, vol. 1, no. 1, Oct. 2020, doi:10.4081/acbr.2020.91.