title: Validity of the VDRL test on cerebrospinal fluid contaminated by blood.
mesh_terms: D001769:Blood; D002555:Cerebrospinal Fluid; D003116:Color; D005189:False Positive Reactions; D006801:Humans; D009494:Neurosyphilis / Q000175:diagnosis*; D013588:Syphilis Serodiagnosis / Q000592:standards*