論文（英文）
Yamaguchi R, Makino Y, Chiba F, Torimitsu S, Yajima D, Shinozaki T, Iwase H. Fluid-Fluid Level and Pericardial Hyperdense Ring Appearance Findings on Unenhanced Postmortem CT Can Differentiate Between Postmortem and Antemortem Pericardial Hemorrhage
Yamaguchi R, Makino Y, Chiba F, Torimitsu S, Yajima D, Shinozaki T, Iwase H. Fluid-fluid level and pericardial hyperdense ring appearance findings on unenhanced postmortem CT can differentiate between postmortem and antemortem pericardial hemorrhage. AJR Am J Roentgenol. 2015;205(6):W568-77.