摘要：A recent doping scandal at the world cross-country skiing championships may mark a turning point in the war on illegal drug use in sport. Six Finnish skiers tested positive for hydroxy-ethyl starch (HES), a plasma volume expander and masking agent against EPO use. The athletes knew the drug was on the banned substance list, but neither they nor the doctors and coaches who assisted them knew that the World Anti-Doping Agency had developed a urine test for HES
