K-Ras and β-catenin mutations cooperate with Fgfr3 mutations in mice to promote tumorigenesis in the skin and lung, but not in the bladder oleh Imran Ahmad, Lukram Babloo Singh, Mona Foth, Carol-Ann Morris, Makoto Mark Taketo, Xue-Ru Wu, Hing Y. Leung, Owen J. Sansom, Tomoko Iwata