title: Acquired syphilis in three patients with congenital syphilis.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis; D006801:Humans; D007073:Immunoglobulin E; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D008722:Methods; D012008:Recurrence; D013588:Syphilis Serodiagnosis; D013590:Syphilis, Congenital / Q000175:diagnosis / Q000276:immunology*; D014210:Treponema pallidum / Q000276:immunology
chemical_list: D000907:Antibodies, Bacterial; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007073:Immunoglobulin E