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Nippon Jibiinkoka Gakkai Kaiho
Information concerning surgical treatment of adult patients with chronic sinusitis was obtained through questionnaires from 434 hospitals in Japan. The hospitals were authorized for an inservice otorhinolaryngological training institute by the Oto-Rhino-Laryngological Society of Japan. The questionnaires were sent to the hospitals in December, 1989, and answers were obtained from 370 hospitals within 2 months, an 85.3% response rate. The following results were obtained. In 96.2% of thedoi:10.3950/jibiinkoka.95.706 fatcat:ngbfjkr6b5efxggyfkq7hakmoe