title: Reply to letter by Volkman commenting on the possible onset of seronegative disease in Lyme arthritis.
authors.forename: Allen C
authors.initials: AC
authors.lastname: Steere
mesh_terms: D000907:Antibodies, Bacterial / Q000097:blood*; D025065:Borrelia burgdorferi / Q000276:immunology*; D006801:Humans; D008193:Lyme Disease / Q000188:drug therapy / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial