Assessing possible selection bias in a national voluntary MS longitudinal study in Australia.
Taylor BV, Palmer A, Simpson S Jr, Lucas R; NZMSPS study group; Simmons RD, Mason D, Pearson J, Clarke G, Sabel C, Willoughby E, Richardson A, Abernethy D.
Taylor BV, et al.
Mult Scler. 2013 Oct;19(12):1627-31. doi: 10.1177/1352458513481511. Epub 2013 Mar 25.
Mult Scler. 2013.
PMID: 23530001