[A new technique for estimating the invasive potential of brain tumors using spheroids--experimental study].
Okumura
T
T
Yamashita
J
J
Tokuriki
Y
Y
Kikuchi
H
H
Oda
Y
Y
Handa
H
H
D000818:Animals; D001932:Brain Neoplasms / Q000473:pathology*; D002642:Chick Embryo; D003584:Cytological Techniques; D009361:Neoplasm Invasiveness; D051381:Rats; D014407:Tumor Cells, Cultured