We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleK-ras is essential for the development of the mouse embryo.AuthorsKoera K; Nakamura K; Nakao K; Miyoshi J; Toyoshima K; Hatta T; Otani H; Aiba A; Katsuki MPublicationOncogene, 1997, Vol 15, Issue 10, p1151ISSN0950-9232Publication typearticleDOI10.1038/sj.onc.1201284