title: Immunological studies on the 26 S particles of sea urchin eggs.
mesh_terms: D000645:Ammonium Sulfate; D000818:Animals; D000941:Antigens / Q000302:isolation & purification; D002021:Buffers; D002499:Centrifugation, Density Gradient; D004591:Electrophoresis, Polyacrylamide Gel; D000939:Epitopes; D005260:Female; D007106:Immune Sera; D005779:Immunodiffusion; D008297:Male; D010063:Ovum / Q000032:analysis*; D011817:Rabbits / Q000276:immunology; D012617:Sea Urchins / Q000032:analysis*; D013347:Subcellular Fractions / Q000032:analysis*; D014508:Urea
chemical_list: D000941:Antigens; D002021:Buffers; D000939:Epitopes; D007106:Immune Sera; D014508:Urea; D000645:Ammonium Sulfate