Bedside Ultrasonography-Guided Nasogastric Tube Placement in COVID-19 Patients
Wenhong Gao, MD, Shunji Gao, MD, Qun-An Huang, MD, Huijuan Xiang, MD
Advanced Ultrasound in Diagnosis and Therapy . 2020, (2): 131 -133 .  DOI: 10.37015/AUDT.2020.200024