Random testing during training, competition may be only way to combat drugs in sports.
Cowart
V S
VS
D001265:Athletic Injuries / Q000628:therapy; D004242:Diving / Q000009:adverse effects; D004300:Doping in Sports / Q000517:prevention & control*; D005260:Female; D006801:Humans; D007723:Korea; D008297:Male; D013177:Sports