title: [A specific radioimmunoassay of a hCG-beta subunit in the presence of native hCG, and immunological, biological and chemical characterization of hCG and its chemically modified subunits (author's transl)].
mesh_terms: D000368:Aged; D000906:Antibodies; D000941:Antigens; D006063:Chorionic Gonadotropin / Q000032:analysis* / Q000276:immunology / Q000302:isolation & purification; D004589:Electrophoresis, Disc; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006868:Hydrolysis; D007106:Immune Sera; D008297:Male; D011247:Pregnancy; D011863:Radioimmunoassay / Q000379:methods*; D013274:Stomach Neoplasms / Q000652:urine; D013329:Structure-Activity Relationship; D013696:Temperature
chemical_list: D000906:Antibodies; D000941:Antigens; D006063:Chorionic Gonadotropin; D007106:Immune Sera