11.   Her case poses a delicate situation for U.S. swimming officials, who have been at the forefront of calls for tougher international anti-doping measures.

12.   Roush and other swimming officials refused to identify the swimmer or say what drug was involved.

13.   She was left off the Olympic roster, however, because swimming officials claimed she was not up to world-class competition.

14.   Swimming officials have a history of issuing warnings, even at the Olympics.

15.   The latest positive test could not have come at a more inopportune time for American swimming officials.

16.   The swimming official said that all other ASEAN countries have reconfirmed they would take part in the competition.

17.   Triple Olympic gold medalist Michelle Smith is under investigation over alleged tampering with a drug test, a world swimming official confirmed Wednesday.

18.   Triple Olympic gold medalist Michelle Smith is under investigation over alleged tampering with a drugs test, a world swimming official confirmed Wednesday.

19.   U.S. swimming officials said they still plan to press hard for tough anti-drug sanctions this month.

20.   U.S. swimming officials decided to take another look at their action against Foschi.