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Spina bifida
| Year | Author | Method |
|---|---|---|
| 1978 | Keizo Sakamoto | Spina bifida occulta |
| 1979 | Kaneko | Spina bifida cystica |
| 1983 | Yamada | Meningomyelocele |
| 1985 | Oi | Spina bifida newborn |
| 1985 | Kiyoshi Sato | Intraspinal lipoma |
| 1988 | Oi · Matsumoto | Tethered cord syndrome |
| 1997 | Koyanagi | Lumbar lipoma |
| 1997 | Matsumoto | Tethered cord syndrome |
| 2002 | Arai | Spina bifida occulta |
| 2002 | Arai | Lumbar lipoma |
| 2008 | Koyanagi | Conus lipoma |
