1. Variability of masticatory performance and swallow threshold in man;Allgood,1963
2. The effect of flight on the middle ear;Armstrong;J. Amer. Med. Ass.,1937
3. The radiologic study of some normal and abnormal swallowing mechanisms; aspiration phenomena and cricopharyngeus spasm;Bachman;Trans. Amer. Laryngol. Rhinolog. Otolog. Soc.,1959
4. Deglutition: pharyngeal stage;Bosma;Physiol. Rev.,1957
5. Maturation of function of the oral and pharyngeal region;Bosma;Amer. J. Orthodont.,1963