1.   Drug traffickers offer sobering lessons about the lengths to which people can go in hiding illicit substances.

2.   Southwest Airlines carries its fun-to-fly image onto the Web with a site that hides considerable substance behind a pithy home page.

3.   According to experts cited by the Italian news agency ANSA, diuretics would hide doping substances.

4.   According to experts cited by ANSA, diuretics could be used to hide doping substances.

5.   Some experts contend that diuretics may help hide doping substances.

6.   Some experts contend that diuretics may hide doping substances.

7.   Some Italian experts contend that diuretics can hide doping substances.

8.   Some Italian experts contend that diuretics could hide doping substances.

9.   The substance was hidden in barrels aboard a boat called Jade Trader.

10.   He had hidden the substance -- Moscow-made Somatrotopine and Gonadotropine -- in the body of his car.