@article{oai:jichi-ir.repo.nii.ac.jp:00000795,
 author = {Hyodo, Masanobu and Otsuka, Shin and Sasanuma, Hideki and Sekiguchi, Chuji and Nagai, Hideo},
 journal = {自治医科大学紀要, Jichi Medical University Journal},
 month = {Dec},
 pages = {41--47},
 title = {Noninvasive positive pressure ventilation (NPPV)for elderly patients after abdominal surgery},
 volume = {29},
 year = {2006}
}