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) Myra J. Tucker and Cynthia J. Berg and William M. Callaghan and Jason Hsia,The Black–White Disparity in Pregnancy-Related Mortality From 5 Conditions: Differences in Prevalence and Case-Fatality Rates,American Journal of Public Health,0090-0036,American Public Health Association,2007-02,97,2,247-251,https://cir.nii.ac.jp/crid/1360855571175956224,https://doi.org/10.2105/ajph.2005.072975