title: Cytopathic effects of a virus-like agent isolated in lupus erythematosus: studies in 3 cases of low-grade severity.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D002642:Chick Embryo; D002908:Chronic Disease; D003588:Cytopathogenic Effect, Viral; D006801:Humans; D007106:Immune Sera / Q000032:analysis; D008180:Lupus Erythematosus, Systemic / Q000097:blood / Q000382:microbiology*; D009500:Neutralization Tests; D014780:Viruses / Q000302:isolation & purification*
chemical_list: D000914:Antibodies, Viral; D007106:Immune Sera