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) MASSELI BF,Penicillin and the marked decrease in morbidity and mortality from rheumatic fever in the United States,N Engl J Med,,,1988,318,,280-286,https://cir.nii.ac.jp/crid/1570854175194098048,