The historical background of cricoid pressure in anesthesia and resuscitation.
D000758:Anesthesia / Q000266:history*; D004739:England; D005764:Gastroesophageal Reflux / Q000517:prevention & control; D049671:History, 18th Century; D006801:Humans; D007817:Laryngeal Cartilages / Q000502:physiology*; D007830:Larynx / Q000502:physiology; D011312:Pressure; D012151:Resuscitation / Q000266:history*; D013272:Stomach Diseases / Q000517:prevention & control