title: Ultraviolet spectrogramic microscope studies of Rous sarcoma virus cultured in cell-free medium.
mesh_terms: D000818:Animals; D001358:Avian Sarcoma Viruses / Q000254:growth & development*; D002474:Cell-Free System; D002645:Chickens; D003470:Culture Media; D008854:Microscopy, Electron; D013057:Spectrum Analysis; D014466:Ultraviolet Rays; D014776:Virus Cultivation
chemical_list: D003470:Culture Media