Ritter J M
Department of Clinical Pharmacology, King's College London, School of Medicine at Guy's, King's College & St Thomas' Hospitals St Thomas' Hospital, Lambeth Palace Road, London SE1 7EH, UK.
Br J Clin Pharmacol. 2010 Jun;69(6):573-5. doi: 10.1111/j.1365-2125.2010.03690.x.