In the Spy vs. Spy-like game of catching the athletes using illegal performance-enhancing substances, Dr. Don Catlin, chief executive of Anti-Doping Research in Los Angeles, and the former head of UCLA Olympic Analytical Labs, is among the world's foremost authorities on drug testing. He speaks with host Dr. Gary Kohn about the TE ratio marker as an indicator for pharmaceutical testosterone use, and a finding that may provide some genetically gifted individuals a license to cheat.
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