Interferon-beta-Ib effects on re-enhancing lesions in patients with multiple sclerosis - Gupta, S; Solomon, JM; Tasciyan, TA; Cao, MM; Stone, RD; Ostuni, JL; Ohayon, JM; Muraro, PA; Frank, JA; Richert, ND; McFarland, HF; Bagnato, F (MULTIPLE SCLEROSIS JOURNAL, 2005)