The transcription factor snail controls epithelial-mesenchymal transitions by repressing E-cadherin expression - Portillo Perez, Francisco; Cano Garcia, Amparo; Cano, A; Perez-Moreno, M A; Rodrigo, I; Locascio, A; Blanco, M J; del Barrio, M G; Portillo, F; Nieto, M A (Nature Cell Biology, 2000)