title: Studies on tetanus toxin and toxoid. II. Isolation and characterization of the tetanus toxin and toxoid.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000641:Ammonia / Q000032:analysis; D002845:Chromatography; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D013744:Tetanus Toxin / Q000032:analysis*; D013745:Tetanus Toxoid / Q000032:analysis*
chemical_list: D000596:Amino Acids; D013744:Tetanus Toxin; D013745:Tetanus Toxoid; D000641:Ammonia