T Nigauri

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Audiometric survey and endoscopic study of the external auditory canal were performed on a group of 31 professional divers, all of whom had experienced frequent exposure to dysbaric conditions. The results are as follows. 1) Over 40% had exostosis of the external auditory canal. There was no relationship between the incidence of the exostosis and the length(More)
In a total of 2083 cases of hollow organ cancer of the head and neck region treated in our institute in the past 20 years, the relative risk of second primary cancers was statistically studied by the person-year approach. The organ association in multiple primary cancers and the relationship between tobacco and alcohol consumption and the development of(More)
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