title: Protein composition of a defective murine sarcoma virus particle possessing the enveloped type-A morphology.
mesh_terms: D003673:Defective Viruses / Q000032:analysis*; D009053:Sarcoma Viruses, Murine / Q000032:analysis* / Q000648:ultrastructure; D014764:Viral Proteins / Q000032:analysis*; D014771:Virion / Q000032:analysis / Q000648:ultrastructure
chemical_list: D014764:Viral Proteins