title: Letter: Renal lesion of lupus vs. Sjögren's syndrome.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*; D009393:Nephritis / Q000175:diagnosis*; D012859:Sjogren's Syndrome / Q000175:diagnosis*