The effects of tramadol on static and dynamic pupillometry in healthy subjects--the relationship between pharmacodynamics, pharmacokinetics and CYP2D6 metaboliser status.
Eur J Clin Pharmacol. 2005 Jun;61(4):257-66. doi: 10.1007/s00228-005-0920-y. Epub 2005 May 20.
Eur J Clin Pharmacol. 2005.
PMID: 15906019
Clinical Trial.