Chen DX, Yang H, Wu XP, Niu W, et al. Comparison of a Nasal Mask and Traditional Nasal Cannula During Intravenous
Anesthesia for Gastroscopy Procedures: A Randomized Controlled Trial. Anesth Analg 2021 Dec 8. pii: 00000539-990000000-00262.
PMID: 34878412