title: [Letter: Bacterial precipitins and multiples precipitins].
mesh_terms: D000942:Antigens, Bacterial / Q000032:analysis*; D001666:Binding Sites, Antibody; D006801:Humans; D005779:Immunodiffusion; D007141:Immunoglobulin Fc Fragments; D007074:Immunoglobulin G; D008171:Lung Diseases / Q000276:immunology*; D011234:Precipitins / Q000032:analysis*
chemical_list: D000942:Antigens, Bacterial; D007141:Immunoglobulin Fc Fragments; D007074:Immunoglobulin G; D011234:Precipitins
vernacular_title: Précipitines bactériennes et précipitines multiples