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By Graham Jackson, Jackson, Graham, Clarke, Michele, Woodroffe, David, Moore, Linda
By Keith Riden, K. Riden
By Helen O′Neill
By Craig Donnellan
By Claud F. B. Regnard, Regnard, Claud F. B., Claude, Tempest, Sue
By W. J. Cunliffe, Cunliffe, W. J., Duin, Nancy
By Paul Emery
By P. Thomas
By Diana R. Holdright
By Hales
By Ida Mann
By Mary D. King, John B. P. Stephenson
By Peter Dawson, David O. Cosgrove, Ronald G Grainger
By G. R. Park, P. G. Roe, Park, G. R., Roe, P. G.
By Jafaru Abu, David Ireland
By Jackie Lynch
By Khalid Binymin
By Martin Brodie, Steven C. Schachter, Patrick Kwan, Annamaria Dutto, Withernsea, UK
By Malcolm H. Lader, Tom Uhde
By Margaret Stearn
By M. Soledad Cepeda, Michael J. Cousins, D.B. Carr
By Matthew Weait
By J. Eric Ahlskog, Ph.D., M.D. (Professor of Neurology and Chair of the Mayo Section of Movement Disorders, Professor of Neurology and Chair of the Mayo Section of Movement Disorders, Mayo Clinic, Rochester, MN)