title: New methods of production and partial purification of an antiviral substance from Penicillium cyaneo-fulvum.
mesh_terms: D000818:Animals; D000998:Antiviral Agents / Q000032:analysis / Q000096:biosynthesis* / Q000633:toxicity; D001435:Bacteriophages / Q000187:drug effects*; D002241:Carbohydrates / Q000032:analysis; D002642:Chick Embryo; D002855:Chromatography, Thin Layer; D046508:Culture Techniques; D004247:DNA / Q000032:analysis; D008722:Methods; D009522:Newcastle disease virus / Q000187:drug effects*; D009975:Orthomyxoviridae / Q000187:drug effects*; D010407:Penicillium / Q000378:metabolism*; D011506:Proteins / Q000032:analysis; D012313:RNA / Q000032:analysis; D018139:Simplexvirus / Q000187:drug effects*; D013053:Spectrophotometry; D014616:Vaccinia virus / Q000187:drug effects*
chemical_list: D000998:Antiviral Agents; D002241:Carbohydrates; D011506:Proteins; D012313:RNA; D004247:DNA