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) Watanabe Yasushi and Taketani Yoshio and Takei Yasuhiko and Tanaka Kimio and Watanabe Yasunori,Complete Heart Block Resulting From Quadricuspid Aortic Valve Penicillin-Resistant Pneumococcal Endocarditis. A Case Report.,Circulation Journal,1346-9843,一般社団法人 日本循環器学会,2003,67,3,275-276,https://cir.nii.ac.jp/crid/1390282680079367424,https://doi.org/10.1253/circj.67.275