A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Takeshi Yamashita. "4) Front Line of Prevention of Thromboembolism in Atrial Fibrillation." Nihon Naika Gakkai Zasshi 106.9 (2017) 1867-1870