Mosaffa, F.; Arhami Dolatabadi, A.; Raoufi, M.; Golpour, F.; Ghasemi, M.; Yazdipoor, M. J. .; Memary, E. The Effect of Intravenous Metoclopramide on Gastric Emptying of Opium-Dependent Patients Based on Ultrasonographic Criteria; A Case-Control Study. Arch Acad Emerg Med 2023, 11, e6.