title: Middle-ear pressure changes during general N2O anaesthesia in adeno-tonsillectomies due to post-nasal packing.
mesh_terms: D000233:Adenoidectomy; D000769:Anesthesia, Inhalation; D001458:Bandages / Q000009:adverse effects; D004058:Diffusion; D004432:Ear, Middle / Q000503:physiopathology*; D006488:Hemostasis, Surgical / Q000009:adverse effects*; D006801:Humans; D007431:Intraoperative Complications; D009305:Nasopharynx; D009609:Nitrous Oxide; D011312:Pressure; D014068:Tonsillectomy
chemical_list: D009609:Nitrous Oxide