Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MATSUNAGA Kazuhide and NAKAMURA Norifumi and OOBU Kazunari and MITSUYASU Takeshi and KAWANO Shintaro and NAKAMURA Seiji,A postoperative case of oral cancer in which widening of the esophageal entrance with a balloon catheter enabled oral intake,Japanese Journal of Oral and Maxillofacial Surgery,00215163,Japanese Society of Oral and Maxillofacial Surgeons,2006,52,10,542-546,https://cir.nii.ac.jp/crid/1390001206531596544,https://doi.org/10.5794/jjoms.52.542