False Positive ReactionsTreponema Immobilization TestSyphilis SerodiagnosisSyphilisLatex Fixation TestsLaboratoriesPatch TestsFalse Negative ReactionsSensitivity and SpecificitySkin TestsEvaluation Studies as TopicEnzyme-Linked Immunosorbent AssayCross ReactionsComplement Fixation TestsClinical Laboratory TechniquesImmunoenzyme TechniquesReproducibility of ResultsLaboratories, HospitalAgglutination TestsAlgorithmsSerologic TestsAnimals, LaboratoryImmunohistochemistryFluorescent Antibody TechniqueReagent Kits, DiagnosticPolymerase Chain ReactionBacteriological TechniquesHistocytochemistryHemagglutination TestsAntigens, HelminthSparganumDermatitis, OccupationalPredictive Value of TestsMedical Laboratory PersonnelImmune SeraAntibodies, MonoclonalAntigens, BacterialDermatitis, PhotoallergicAntibodies, Bacterial