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  • Helen Rickards, Serdar M. Dursun, Gillian Farrar, Tim Betts, John A Corbett, Sheila L. Handley
  • Psychology, Medicine
  • Psychological medicine
  • 1996 (First Published: 1 July 1996)
  • Fasting plasma levels of tryptophan, kynurenine and the pteridines, neopterin and tetrahydrobiopterin were measured in seven patients with Gilles de la Tourette syndrome (GTS) and 10 healthyContinue Reading