title: A Double-Blind, Study To Assess the Effects of Single Oral Doses of Lorazepam On the Auditory P3 Evoked Response: Fell GL, Huckle KE. Link CGG, Semple JM. Clinical Pharmacology Unit, SmithKline Beecham Pharmaceuticals, Research Division, Medicinal Research Centre, Coldharbour Road, The Pinnacles, Harlow, Essex, CM19 SAD.