author = { Forbes, Raeburn B. AND Lees, Ann AND Waugh, Norman AND Swingler, Robert J. },

title = { Population Based Cost Utility Study of Interferon Beta-1b in Secondary Progressive Multiple Sclerosis },

publisher = {British Medical Association},

isbn = {0959-8138},

isbn = {1756-1833},

year = {1999},

url = { http://slubdd.de/katalog?TN_libero_mab2 }