title: Subacute sclerosing panencephalitis and defective interfering measles virus particles.
mesh_terms: D001921:Brain / Q000382:microbiology; D003673:Defective Viruses; D006801:Humans; D008459:Measles virus / Q000302:isolation & purification*; D013190:SSPE Virus; D013344:Subacute Sclerosing Panencephalitis / Q000382:microbiology*; D014762:Viral Interference