The laryngeal mask and the oesophagus.
Brain
A I
AI
D000768:Anesthesia, General; D005260:Female; D005764:Gastroesophageal Reflux / Q000150:complications*; D006801:Humans; D007431:Intraoperative Complications / Q000628:therapy; D007830:Larynx; D008397:Masks