title: Q fever in patients with hepatitis and pneumonia: results of laboratory-based surveillance in the United States.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis; D003381:Coxiella / Q000276:immunology; D005455:Fluorescent Antibody Technique; D006505:Hepatitis / Q000209:etiology*; D006801:Humans; D011022:Pneumonia, Rickettsial / Q000209:etiology*; D011778:Q Fever / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology*; D014481:United States
chemical_list: D000907:Antibodies, Bacterial