Complex sentence: Floyd Landis appeared to have won the tour in 2006, however, was later stripped of this title, after a drug-control test demonstrated the presence of a skewed testosterone/epitestosterone ratio.
Split into simpler sentences: Floyd Landis appeared to have won the tour in 2006. However, he was later stripped of his title, after a drug-control test demonstrated the presence of a skewed testosterone/epitestosterone ratio.