Kohn, E C Invasion and metastasis: new approaches to an old problem. [electronic resource] - Oncology (Williston Park, N.Y.) Apr 1993 - 47-52; discussion 52, 57, 60-2 p. digital Publication Type: Journal Article ISSN: 0890-9091 Subjects--Topical Terms: Cell AdhesionCell MovementGenes, p53Genes, rasHumansNeoplasm Invasiveness--physiopathologyNeoplasm Metastasis--geneticsPeptide Hydrolases--metabolism