title: A reexamination of the structure of the immobilization antigen from Paramecium aurelia.
mesh_terms: D000818:Animals; D000941:Antigens / Q000302:isolation & purification; D004220:Disulfides / Q000032:analysis; D004589:Electrophoresis, Disc; D005779:Immunodiffusion; D008970:Molecular Weight; D010247:Paramecium / Q000276:immunology*
chemical_list: D000941:Antigens; D004220:Disulfides