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2. Endobronchial lipoma;Schraufnagel;Chest,1979
3. A case of endobronchial lipoma [abstract];Tsunohara;J Jpn Surg Soc,1971
4. Bronchial lipoma: a case report and literature review [in Japanese with English abstract];Niinomi;Kyobu Geka,1973
5. Lipoma of the lung: a case report [in Japanese with English abstract];Ikeuchi;Jpn J Chest Dis,1977