title: Plasma exchange for steroid unresponsive Devic's disease.
authors: Department of Nephrology, Sri Venkateswara Institute of Medical Sciences, Tirupati, India.
authors: B V
authors: BV
authors: Devi
authors: C K
authors: CK
authors: Kishore
authors: J V B
authors: JV
authors: Rao
authors: B
authors: B
authors: Vengamma
authors: V Siva
authors: VS
authors: Kumar