To the medical detectives of the Olympic committee trying to identify athletes using performance-enhancing drugs, stanozolol has been a particular challenge.
Australia is currently identifying potential athletes for this event.
Files were also found identifying specific athletes, as well as calendars appearing to list daily doses of steroids and human growth hormone.
Graphics don't always identify athletes in close-ups.
In a certain sense, our system right now of identifying athletes is really no different than what the East Germans did a number of years ago.
Soccer participation is now mandatory at elementary schools in North Korea, officials said, and each district has a sports school to identify promising athletes.
Cuba's sports apparatus is designed to canvass the island and identify young athletes with potential.
The controversy also prompted some commenters to question why the Peruvian government has not done more to identify and develop athletes within the country.
In my State of Michigan, we have adopted a programme where we try to identify athletes rather than tennis players.
However, the sophisticated method of identifying young athletes and placing them in sports schools became discredited after the fall of the Berlin Wall.