title: A method for the preparation of desialylated human chorionic gonadotropin and its sub-units.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D006063:Chorionic Gonadotropin / Q000302:isolation & purification* / Q000652:urine; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D003016:Clostridium perfringens / Q000201:enzymology; D004912:Erythrocytes / Q000276:immunology; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D005779:Immunodiffusion; D007525:Isoelectric Focusing; D046911:Macromolecular Substances; D009438:Neuraminic Acids; D009439:Neuraminidase; D011247:Pregnancy; D011817:Rabbits / Q000276:immunology; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D014508:Urea
chemical_list: D000596:Amino Acids; D006063:Chorionic Gonadotropin; D046911:Macromolecular Substances; D009438:Neuraminic Acids; D014508:Urea; D009439:Neuraminidase