@article{oai:sapmed.repo.nii.ac.jp:00011847,
 author = {横山, 拓史 and 原, 豊 and 工藤, 和洋 and 下山, 則彦},
 issue = {1},
 journal = {函館医学誌 = Hakodate medical journal},
 month = {Oct},
 pages = {56--61},
 title = {同時性に発見され外科的切除を施した重複癌の1例},
 volume = {33},
 year = {2009}
}