title: Topo-optical studies on ontogenetic changes of ground substance in the epiphyseal cartilage of the chick.
mesh_terms: D000818:Animals; D002356:Cartilage / Q000196:embryology / Q000254:growth & development*; D002642:Chick Embryo; D002645:Chickens; D004838:Epiphyses / Q000196:embryology / Q000254:growth & development*