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) CLAESSON BA,Etiology of community-acquired pneumonia in children based on antibody responses to bacterial and viral antigens,Pediatr Infect Dis J,,,1989,8,,856-862,https://cir.nii.ac.jp/crid/1573950401107543168,