title: Nematode growth factor.
mesh_terms: D000818:Animals; D003470:Culture Media; D006133:Growth Substances / Q000032:analysis*; D006418:Heme; D008110:Liver Extracts; D009348:Nematoda / Q000254:growth & development*; D010713:Phosphatidylcholines; D013261:Sterols
chemical_list: D003470:Culture Media; D006133:Growth Substances; D008110:Liver Extracts; D010713:Phosphatidylcholines; D013261:Sterols; D006418:Heme