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) DENTALI F,Meta-analysis : anticoagulant prophylaxis to prevent symptomatic venous thromboembolism in hospitalized medical patients,Ann Intern Med.,,,2007,146,,278-288,https://cir.nii.ac.jp/crid/1574231874714982016,