1. Ueber den mund der speiscrohre;Killian;Ztsch. Ohrenh Wiesb,1908
2. The Cricopharyngeus Muscle;Batson;Ann. Otol. Rhinol. Laryngol.,1955
3. The Dynamics of Swallowing;Atkinson;J. Clin. Invest.,1957
4. The Motor Nerve Supply of the Cricopharyngeal Sphincter;Lund;Ann. Otol.,1964
5. The Pharyngoesophageal Closure Mechanism: A Manometric Study;Winans;Gastroenterology,1964