title: Molecular approaches to the study of mesoderm formation in amphibians.
mesh_terms: D000663:Amphibians / Q000196:embryology*; D000818:Animals; D004625:Embryo, Nonmammalian / Q000502:physiology*; D005314:Embryonic and Fetal Development; D008648:Mesoderm / Q000166:cytology / Q000502:physiology*