- [1] Abstract of PMID 16395302, copied verbatim
- [2] Pharmacokinetics information from RxList, copied verbatim; added here
- [3] Content from NZ MedSafe, copied verbatim
- [4] Content from Australian prescribing information. Website claims it is copyrighted. Added here
- [5] Content from drugs.com, copied verbatim
- [6] Abstract of PMID 16860264; mostly copied, with minor modifications