Examining the environmental risk factors of progressive-onset and relapsing-onset multiple sclerosis: recruitment challenges, potential bias, and statistical strategiesLi, Ying; Saul, Alice; Taylor, Bruce; Ponsonby, Anne-Louise; Simpson-Yap, Steve; Blizzard, Leigh; Broadley, Simon; Lechner-Scott, Jeannette; Karabudak, Rana; Patti, FrancescoJournal of Neurology2024 / p. 472 - 485 https://doi.org/10.1007/s00415-023-11980-z Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS