1. Data on file, GlaxoSmithKline, PIF Ref no. PHY797A01, 2004/Data on file, Sequani Ltd. PIF Ref no. PHY797A03, 2004
2. Data on file, Stiefel Laboratories. Home Use Trial, S239-GB-04, Feb 2004
3. Data on file, Hill Top Research, Inc., PIF Ref no. PHY797A02, 2004