@article{oai:tohoku.repo.nii.ac.jp:00130570, author = {Katsutoshi, Nakayama and Mitsutoshi, Shinkawa and Takashi, Ohrui and Hisao, Hirai and Hidetada, Sasaki}, issue = {9342}, journal = {The Lancet}, month = {Oct}, note = {学術論文(Ariticle)}, pages = {1335--1335}, title = {BCG vaccination prevents pneumonia in immobile elderly patients}, volume = {360}, year = {2002} }