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) POEHLING KA,Invasive pneumococcal disease among infants before and after introduction of pneumococcal conjugate vaccine,JAMA,,,2006,295,,1668-1674,https://cir.nii.ac.jp/crid/1572543025790523520,