Nasr-Esfahani, Mohammad, Maryam Behravan, and Mehrdad Esmailian. 2019. “The Correlation Between Ultrasonographic Gastric Antral Area and Vomiting in Patients Undergoing Procedural Sedation and Analgesia”. Advanced Journal of Emergency Medicine 4 (4), e83. https://doi.org/10.22114/ajem.v0i0.308.