An abstract is not available for this content so a preview has been provided. Please use the Get access link above for information on how to access this content.
Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)
Article purchase
Temporarily unavailable
References
Cairns, H., 1946, Proc. R. Soc. Med., xxxix, 613.Google Scholar
Davis, E. D. D., 1928, Proc. R. Soc. Med., xxii, 678.Google Scholar
Diggle, F. H., and Gilhespy, F. B., 1921, J. Laryng. and Otol., xxxvi, 471.CrossRefGoogle Scholar
Graham Brown, L., 1945, Proc. R. Soc. Med., xxxviii, 413.Google Scholar
Layton, T. B., 1935, Proc. R. Soc. Med., xxviii, 529.Google Scholar