title: Partial characterization of a brain extract that stimulates nerve cell differentiation in culture.
mesh_terms: D000818:Animals; D001921:Brain / Q000166:cytology*; D001923:Brain Chemistry; D002454:Cell Differentiation; D002478:Cells, Cultured; D002642:Chick Embryo; D009474:Neurons / Q000187:drug effects; D014020:Tissue Extracts / Q000032:analysis* / Q000494:pharmacology
chemical_list: D014020:Tissue Extracts