Some Banned Olympic Doping Drugs Have Actual Medical Uses
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
Doping in Endurance Sports - Adventure Medic
Doping at the Tour de France - Wikipedia
Drug improves endurance without need for exercise
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
Anabolic Steroids: Uses, Side Effects, and Alternatives
Blood Doping 101 - CyclingTips
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
Drugs in sport - Curious
Five performance-enhancing products that are fair game in improving race times - Canadian Running Magazine
5 Supplements Clinically Proven To Increase Endurance In Athletes
Blood Doping 101 - CyclingTips
Blood Doping 101 - CyclingTips
Doping In Endurance Sports: Why Some Athletes Use EPO & Steroids - EndurElite
Performance Enhancing Hormone Doping in Sport - Endotext - NCBI Bookshelf
Russia and Kenya take the podium in the athletics doping contest | The Economist
The Top Athletes Looking for an Edge and the Scientists Trying to Stop Them | Science | Smithsonian Magazine
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
The amateur's complete guide to blood doping
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
