By Russell Barkley
By Mark A. Davis
By Vincent J. Markovchick, Peter T. Pons, Richard E. Wolfe (all from the Department of Emergency Medicine, Denver General Hospital, Denver, Colorado, USA)
By S. Mangione
By Agneta Schreurs, Malcolm Pines
By Kim Etherington, Gillie Bolton
By Babette Rothschild
By Ray Woolfe, Windy Dryden
By Jane Ogden
By Katie Lynch
By Robert H. Whitaker, Neil R. Borley
By Bernard Kingston
By F.A. Davis Company
By Robert C. King, William D. Stansfield
By David Goldman (Clinical Director and Chief of the Laboratory of Neurogenetics, Office of the Clinical Director, Laboratory of Neurogenetics, NIAAA, Bethesda, MD, USA)
By Paolo Sassone Corsi, Yves Christen
By Sophie Elkan, Laura Chaisty, Dr Maddy Podichetty, Flo Perry
By M. S. John Pathy
By Michael J. Apter
By Drugscope
By Gavin Spickett
By Michael Murphy
By Len Harding
By Ben Greenstein, Adam Greenstein
By Stephen Lewis
By Dr Melanie Fennell
By Gordian W. O. Fulde
By Francisco Contreras
By Anthony Ryle
By Lucy Johnstone (Consultant Clinical Psychologist), Rudi Dallos