@article{5845df1a586d469ba8008b25c16cb3b9,
title = "Placebo-controlled multicentre randomised trial of interferon {\ss}-1b in treatment of secondary progressive multiple sclerosis.",
author = "L Kappos and European, \{Study Group on Interferon β-1b in Secondary Progressive MS\} and CO Hanemann",
year = "1998",
month = nov,
day = "7",
doi = "10.1016/S0140-6736(98)10039-9",
language = "English",
volume = "352",
pages = "1491--1497",
journal = "The Lancet",
issn = "0140-6736",
publisher = "Elsevier B.V.",
number = "9139",
}