title: [Diffusion of respiratory tract infections. Serological studies made on a sample ofthe free population].
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D006801:Humans; D007558:Italy; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D012621:Seasons; D014777:Virus Diseases / Q000453:epidemiology* / Q000276:immunology
chemical_list: D000914:Antibodies, Viral
vernacular_title: Sulla diffusione delle infeioni delle vie respiratorie. Ricerca sierologica eseguita su un campione di popolazione aperta