title: Noncentrifugation immunoassays: novel systems.
mesh_terms: D000941:Antigens / Q000032:analysis*; D006241:Haptens; D007118:Immunoassay / Q000295:instrumentation; D007457:Iodine Radioisotopes; D012997:Solvents; D014316:Tritium
chemical_list: D000941:Antigens; D006241:Haptens; D007457:Iodine Radioisotopes; D012997:Solvents; D014316:Tritium