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Goodwin VA, Richards SH, Taylor RS, Taylor AH, Campbell JL.Goodwin VA, et al. Among authors: richards sh.Mov Disord. 2008 Apr 15;23(5):631-40. doi: 10.1002/mds.21922.Mov Disord. 2008.PMID: 18181210Review.
Campbell J, Roland M, Richards S, Dickens A, Greco M, Bower P.Campbell J, et al. Among authors: richards s.Br J Gen Pract. 2009 Jan;59(558):e8-15. doi: 10.3399/bjgp09X394815.Br J Gen Pract. 2009.PMID: 19105911Free PMC article.
Campbell JL, Roberts M, Wright C, Hill J, Greco M, Taylor M, Richards S.Campbell JL, et al. Among authors: richards s.BMJ. 2011 Oct 27;343:d6212. doi: 10.1136/bmj.d6212.BMJ. 2011.PMID: 22034193Free PMC article.
Richards SH, Campbell JL, Dickens A.Richards SH, et al.Prim Health Care Res Dev. 2011 Jan;12(1):68-78. doi: 10.1017/S1463423610000319.Prim Health Care Res Dev. 2011.PMID: 21426616