Portella G, Salvatore D, Botti G, Cerrato A, Zhang L, Mineo A, Chiappetta G, Santelli G, Pozzi L, Vecchio G, Fusco A, Santoro M. Development of mammary and cutaneous gland tumors in transgenic mice carrying the RET/PTC1 oncogene. Oncogene. 1996 Nov 07;13(9):2021–6. PMID: 8934550.