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.
application/pdf
園山 昇, 岡田 孝, 永田 尚弘. "Progeniehaken.使用による下顎前突症の1手術法について." Journal of Oral Surgery Society of Japan 7.2 (1961) 130-132