title: Some characteristics of chick embryo sympathetic ganglion fragments in a simple culture system with and without nerve growth factor.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D046508:Culture Techniques; D005725:Ganglia, Autonomic / Q000166:cytology / Q000196:embryology*; D008722:Methods; D008858:Microscopy, Phase-Contrast; D009414:Nerve Growth Factors; D013997:Time Factors
chemical_list: D009414:Nerve Growth Factors