title: Response to Dr Nikpour's letter.
authors: Department of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.|Videncenter for Reumatologi og Rygsygdomme, Rigshospitalet Glostrup, Glostrup, Denmark.
authors: Theresa R
authors: TR
authors: Wilhelm
authors: Department of Epidemiology and Public Health, University of Maryland, Baltimore, Maryland, USA.
authors: Laurence S
authors: LS
authors: Magder
authors: Department of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
authors: Michelle
authors: M
authors: Petri
keywords: Disease Activity; Systemic Lupus Erythematosus; Treatment