[1] SmithKline Beecham Pharmaceut, Discovery Res, Discovery Chem Europe, Harlow CM19 5AW, Essex, England
[2] SmithKline Beecham Pharmaceut, Discovery Res, Dept Drug Metab & Pharmacokinet, Harlow CM19 5AW, Essex, England
[3] SmithKline Beecham Pharmaceut, Discovery Res, Dept Neurosci Res, Harlow CM19 5AW, Essex, England