title: Studies on a heat-labile variola virus inhibitor in normal sera. II. Further characterization of the inhibitor and its activity.
mesh_terms: D000096:Acetone / Q000494:pharmacology; D000818:Animals; D000906:Antibodies; D000998:Antiviral Agents / Q000032:analysis / Q000494:pharmacology* / Q000528:radiation effects; D002499:Centrifugation, Density Gradient; D003956:Dialysis; D005455:Fluorescent Antibody Technique; D006168:Guinea Pigs / Q000276:immunology; D006367:HeLa Cells; D006358:Hot Temperature; D006801:Humans; D007106:Immune Sera; D007136:Immunoglobulins / Q000032:analysis; D008623:Mercaptoethanol / Q000494:pharmacology; D009500:Neutralization Tests; D011193:Potassium Iodide / Q000494:pharmacology; D011830:Radiation Effects; D014357:Trypsin / Q000494:pharmacology; D014466:Ultraviolet Rays; D012901:Variola virus / Q000187:drug effects* / Q000472:pathogenicity; D014776:Virus Cultivation
chemical_list: D000906:Antibodies; D000998:Antiviral Agents; D007106:Immune Sera; D007136:Immunoglobulins; D000096:Acetone; D011193:Potassium Iodide; D008623:Mercaptoethanol; D014357:Trypsin