title: Role of polymerase chain reaction in the diagnosis of gastric syphilis.
authors: S J
authors: SJ
authors: Norris
authors: S
authors: S
authors: Sell
mesh_terms: D006801:Humans; D016133:Polymerase Chain Reaction; D013272:Stomach Diseases / Q000175:diagnosis*; D013587:Syphilis / Q000175:diagnosis*