title: Immunological relationships of some non-pathogenic Neisseria.
abstract: A collection of nine stock strains of non-pathogenic Neisseria species and one strain of Branhamella catarrhalis has been examined serologically by a simple immunodiffusion technique utilising cultures growing on solid medium.
mesh_terms: D000907:Antibodies, Bacterial; D005779:Immunodiffusion; D009343:Neisseria / Q000145:classification / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial