title: The relationship between discoid lupus erythematosus and systemic lupus erythematosus. A hypothesis.
mesh_terms: D006801:Humans; D008179:Lupus Erythematosus, Discoid / Q000145:classification / Q000276:immunology / Q000473:pathology*; D008180:Lupus Erythematosus, Systemic / Q000145:classification / Q000276:immunology / Q000473:pathology*