@phdthesis{oai:ir.jikei.ac.jp:00004826,
 author = {落合, 結介},
 month = {Dec},
 school = {東京慈恵会医科大学},
 title = {Psychological Risk Factor of Postoperative Delirium in Patients with Gastrointestinal Cancer},
 year = {2017}
}