title: Head elevation and improved laryngoscopic view.
authors: Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China.
authors: Gao P
authors: GP
authors: Liu
authors: Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China. Electronic address: xuefushan@aliyun.com.
authors: Fu S
authors: FS
authors: Xue
authors: Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China.
authors: Rui P
authors: RP
authors: Li
authors: Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China.
authors: Chao
authors: C
authors: Sun
mesh_terms: D005260:Female; D019416:Head Movements; D006801:Humans; D007828:Laryngoscopy / Q000379:methods*; D007830:Larynx / Q000033:anatomy & histology*; D008297:Male; D056888:Patient Positioning / Q000379:methods*