China and the World Anti-Doping Agency say that positive tests for a banned drug among elite Chinese swimmers were a result of unwitting contamination. But the science behind that assertion is not so clear.
Home ยป Questions Emerge About Data Used by China to Defend Against Doping Allegations
China and the World Anti-Doping Agency say that positive tests for a banned drug among elite Chinese swimmers were a result of unwitting contamination. But the science behind that assertion is not so clear.