False Positive ReactionsTreponema Immobilization TestSyphilis SerodiagnosisSyphilisCholinergic NeuronsPatch TestsFalse Negative ReactionsSensitivity and SpecificitySkin TestsCross ReactionsComplement Fixation TestsEnzyme-Linked Immunosorbent AssayImmunoenzyme TechniquesAgglutination TestsEvaluation Studies as TopicAlgorithmsReproducibility of ResultsSerologic TestsImmunohistochemistryFluorescent Antibody TechniqueBacteriological TechniquesB-Cell Activating FactorSparganumAntigens, HelminthHemagglutination TestsDermatitis, OccupationalPolymerase Chain ReactionReagent Kits, DiagnosticImmune SeraDermatitis, PhotoallergicPredictive Value of Tests