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Year : 2017 | Volume: 35 | Issue Number: 2 | Page: 181-183 CASE REPORTAn infant case of intraoral penetrating injury with a toothbrush causing retropharyngeal and upper mediastinal emphysema Jitsuiki Kei, Hashimoto Ayako, Yoshizawa Toshihiko, Yanagawa Youichi
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