title: Further purification of a human placental inhibitor to hemagglutination by H-1 virus.
mesh_terms: D001826:Body Fluids; D002499:Centrifugation, Density Gradient; D002850:Chromatography, Gel; D002918:Chymotrypsin; D004267:DNA Viruses; D004589:Electrophoresis, Disc; D005260:Female; D006023:Glycoproteins / Q000494:pharmacology; D006384:Hemagglutination / Q000187:drug effects*; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D005779:Immunodiffusion; D008623:Mercaptoethanol; D009439:Neuraminidase; D010206:Papain; D010504:Periodic Acid; D010920:Placenta; D011247:Pregnancy; D014357:Trypsin
chemical_list: D006023:Glycoproteins; D010504:Periodic Acid; D008623:Mercaptoethanol; D009439:Neuraminidase; D002918:Chymotrypsin; D014357:Trypsin; D010206:Papain