title: Legionnaires disease in Belgium--an additional case.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis; D005455:Fluorescent Antibody Technique; D006801:Humans; D007875:Legionella / Q000276:immunology; D007877:Legionnaires' Disease / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged
chemical_list: D000907:Antibodies, Bacterial