title: Studies on trachoma agent by double diffusion gel precipitation.
mesh_terms: D000818:Animals; D000941:Antigens; D001647:Bile Acids and Salts; D002642:Chick Embryo; D002689:Chlamydia / Q000276:immunology*; D005779:Immunodiffusion; D011817:Rabbits
chemical_list: D000941:Antigens; D001647:Bile Acids and Salts