(1980). Hunting methods in relation to hunting situations in Japanese shrew-mole, Urotrichus talpoides [さまざまな狩猟状況におけるヒミズの獲物捕獲行動] (京都大学 博士乙第4095号 thesis)
1990年、東京医科歯科大学歯学博士。論文は「Ultrastructure of the Eimer′s Organs of the Japanese ShrewMole, Urotrichus talpoides(Insectivora, Mammalia)and thier Changes Following
154-163. Yuan, S. -., Lin, L. -., & 押田龍夫 (2006). Phylogeography of the mole-shrew (anourosorex yamashinai) in taiwan: Implications of interglacial refugia