title: Iatrogenic false-positive Crithidia luciliae immunofluorescence test.
mesh_terms: D000328:Adult; D003421:Crithidia; D005189:False Positive Reactions; D005260:Female; D005455:Fluorescent Antibody Technique / Q000592:standards*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*