"Nearly all of the violations, across nationalities, were for the anabolic steroids Stanozolol or Turinabol, the very substances that notoriously fueled East Germany to global dominance in the 1970s and 80s. A rash of Turinabol violations have also recently cropped up in major and minor league baseball in the United States.
“The good old-fashioned drugs work very well for strength,” Dr. Rabin said. “There’s a reason they’re still around.”
The drugs were not detected by the Olympic committee’s drug-testing lab years ago, during the Games, because the science at the time was not sensitive enough to detect such small residual concentrations, according to Dr. Richard Budgett, medical and scientific director of the I.O.C."