A prospective study of anti-chromatin and anti-C1q autoantibodies in patients with proliferative lupus nephritis treated with cyclophosphamide pulses or azathioprine/methylprednisolone
Cecile Grootscholten, Jürgen W C Dieker, Fabian D McGrath, Anja Roos, Ronald H W M Derksen, Johan van der Vlag, Mohamed R Daha, Jo H M Berden
Annals of the Rheumatic Diseases May 2007, 66 (5) 693-696; DOI: 10.1136/ard.2006.065425