Mohammad Hosseininejad, S., Bozorgi, F., Khodami, A., Aminiahidashti, H. and Hajizade Juybari, M. 2021. The Effect of Intravenous Metoclopramide on Pain, Nausea, Discomfort, and Ease of Insertion of Nasogastric Tube in Emergency Department: A Double-blind Randomized Clinical Trial. Sudan Journal of Medical Sciences (SJMS). 16, 4 (Dec. 2021), 499–508. DOI:https://doi.org/10.18502/sjms.v16i4.9947.