By Matthew Taylor, Laurie Taylor
By Brewer, Sarah
By Matthew Weait
By Tom Stuttaford
By Swift, Richard
By Simon Blake, Stella Muttock
By Eleanor Bull, J. Morrell, Bull, Eleanor, Morrell, J.
By Kate Cook & Sally Brown
By Champneys, Elisabeth Wilson
By Daniels, Benjamin
By Jon Lipsey, Jon Lipsey
By Marshall, David
By Mary Comber, Mary Comber, Health & Fitness
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By Gorna, Gosia, Yorke, Wendy
By Kirch, Wilhelm, Menne, B., Bertollini, R.
By Alder, Beth
By William Boericke, Oscar Boericke
By J. T. Kent
By James Tyler Kent
By John Henry Clarke
By H.A. Roberts
By H. C. Allen
By Samuel Hahnemann
By Pushpesh Pant
By World Health Organization(WHO)
By Richard Schmidt, Craig A. Wrisberg
By Bradley, Alice