@misc{oai:niigata-u.repo.nii.ac.jp:00004851, author = {笹本, 龍太}, month = {Jan}, note = {新潟大学, 平成19年1月30日, 新大博(医)第1708号, 新大博(医)乙第1708号}, title = {Risk factors for enlargement of cardiac silhouette on chest radiography after radiotherapy for esophageal cancer}, year = {2007} }