Haddock R E, Johnson A M, Langley P F, Nelson D R, Pope J A, Thomas D R, Woods F R
Beecham Pharmaceuticals Research Division, Medicinal Research Centre, Harlow, Essex, United Kingdom.
Acta Psychiatr Scand Suppl. 1989;350:24-6. doi: 10.1111/j.1600-0447.1989.tb07163.x.