CiNii
Kannonzaki nature museum
Articles in CiNii:1
Department of Neurosurgery, Hokkaido University School of Medicine (1995 from CiNii)
Department of Neurosurgery, University of Hokkaido School of Medicine (1996 from CiNii)
Department of Neurosurgery, Hokkaido University (1991 from CiNii)