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
Characterization of Hemolysin Partially Purified from Porphyromonas gingivalis #381
Nihon Shishubyo Gakkai Kaishi (Journal of the Japanese Society of Periodontology)