title: Use of a simple double-diffusion technic in agar gel for the quantitation of tetanus antitoxin levels.
mesh_terms: D000362:Agar; D006801:Humans; D005779:Immunodiffusion; D066298:In Vitro Techniques; D013743:Tetanus Antitoxin
chemical_list: D013743:Tetanus Antitoxin; D000362:Agar