@phdthesis{oai:iwatemed.repo.nii.ac.jp:00009991,
 author = {土屋, 繁国 and TSUCHIYA, Shigekuni},
 month = {2019-06-03, 2020-03-17},
 school = {岩手医科大学},
 title = {早産児の管理方法の変化と早産児動脈管開存症の発症},
 year = {},
 yomi = {つちや, しげくに}
}