title: The cellular basis of amphibian gastrulation.
authors.affiliation: Department of Zoology, University of California, Berkeley 94720.
authors.forename: R E
authors.initials: RE
authors.lastname: Keller
mesh_terms: D000663:Amphibians / Q000502:physiology*; D000818:Animals; D002454:Cell Differentiation; D005775:Gastrula / Q000502:physiology*; D009024:Morphogenesis