11.   A second doping test on Juventus midfielder Edgar Davids confirmed traces of the banned steroid nandrolone, the Italian Olympic Committee said Wednesday.

12.   A panel of British scientists is investigating whether contaminated meat and unlicensed food supplements could be responsible for the spate of positive tests for the steroid nandrolone.

13.   A test taken after his second place finish at the worlds showed Saidi-Sief had the banned steroid nandrolone in his system, the federation said.

14.   Adrian Mateas and Traian Ciharean tested positive for the banned steroid nandrolone and face lifetime suspensions.

15.   Adrian Mateas and Traian Ciharean tested positive for the banned steroid nandrolone in pre-Olympic drug tests and face lifetime suspensions.

16.   Alexander Leipold tested positive for the steroid nandrolone.

17.   Armenian lifter Ashot Danielyan was stripped of his medal after a positive test for the steroid nandrolone, becoming the fourth weightlifter to test positive in the Summer Games.

18.   Baumann, who claims his toothpaste was spiked with the steroid nandrolone, has been fighting the ban through German courts.

19.   British sprinter Michael Tietz has been banned for two years after testing positive for the banned steroid nandrolone.

20.   But the test, at Dortmund in February where he was competing for fun, indicated the possible presence of the controversial steroid nandrolone.