Fine P, Victora CG, Rothman KJ, Moore PS, Chang Y, Curtis V, Heymann DL, Slutkin G, May RM, Patel V, Roberts I, Wortley R, Torgerson C, Deaton A. John Snow's legacy: epidemiology without borders. Lancet. 2013 Apr 1;381(9874):1302-11.
Mease P, Arnold LM, Bennett R, Boonen A, Buskila D, Carville S, Chappell A, Choy E, Clauw D, Dadabhoy D, Gendreau M, Goldenberg D, Littlejohn G, Martin SA. OMERACT 8 workshop: fibromyalgia syndrome. J Rheumatol. 2007 Jun;34(6):1415-25.