著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Gerhard Falkenhorst and Cornelius Remschmidt and Thomas Harder and Eva Hummers-Pradier and Ole Wichmann and Christian Bogdan,Effectiveness of the 23-Valent Pneumococcal Polysaccharide Vaccine (PPV23) against Pneumococcal Disease in the Elderly: Systematic Review and Meta-Analysis,PLOS ONE,1932-6203,Public Library of Science (PLoS),2017-01-06,12,1,e0169368,https://cir.nii.ac.jp/crid/1363951794159244160,https://doi.org/10.1371/journal.pone.0169368