Klaus Tiel-Wilck

Siponimod versus placebo in secondary progressive multiple sclerosis (EXPAND): a double-blind, randomised, phase 3 study

Ludwig Kappos, Margaret Burnett, Gavin Giovannoni, 2018, The Lancet.

Oral fingolimod or intramuscular interferon for relapsing multiple sclerosis.

Ludwig Kappos, Xavier Montalban, Frederik Barkhof, 2010, The New England journal of medicine.