title: Embryology. Lethal mutation in collagen gene.
mesh_terms: D000818:Animals; D003001:Cloning, Molecular; D003094:Collagen / Q000235:genetics*; D004247:DNA / Q000032:analysis; D005260:Female; D005804:Genes, Lethal; D051379:Mice; D009154:Mutation; D009693:Nucleic Acid Hybridization; D011247:Pregnancy
chemical_list: D003094:Collagen; D004247:DNA