Rearrangement and amplificarion of erbB,sis,myc and fos in brain tumors are studied with DNA dot blot and Southern blot analysis.

• 本文用 DNA 斑点杂交法和 Southen 印迹法对脑瘤中 erbB、sis、myc 和 fos 这四种癌基因的扩增和重排进行了研究。