Clinical study of angle between base of tongue and thyroid cartilage measured by ultrasound to predict difficult laryngoscopy
WANG Jun-an, GU Hai-lin, SHI Wen-tao, SUN Yu
China Journal of Oral and Maxillofacial Surgery . 2023, (2): 142 -145 .  DOI: 10.19438/j.cjoms.2023.02.007