The "in vitro" lymphocyte blast transformation and syphilis.
D003937:Diagnosis, Differential; D006801:Humans; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology*; D013587:Syphilis / Q000209:etiology / Q000276:immunology*; D013588:Syphilis Serodiagnosis