Blood Doping 101 - CyclingTips
Kenya's Matthews Kisorio doped because he 'wasn't the only one' | Athletics | The Guardian
5 Legal Ways to Dope - Outside Online
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
Sport is still rife with doping | The Economist
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
5 Supplements Clinically Proven To Increase Endurance In Athletes
Five performance-enhancing products that are fair game in improving race times - Canadian Running Magazine
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
Anabolic Steroids: Uses, Side Effects, and Alternatives
Cheats of Strength: 10 Next-Gen Olympic Doping Methods | WIRED
Drug improves endurance without need for exercise
Some Banned Olympic Doping Drugs Have Actual Medical Uses
The Top Athletes Looking for an Edge and the Scientists Trying to Stop Them | Science | Smithsonian Magazine
The amateur's complete guide to blood doping
5 Supplements Clinically Proven To Increase Endurance In Athletes
Doping in Endurance Sports - Adventure Medic
Performance Enhancing Hormone Doping in Sport - Endotext - NCBI Bookshelf
Blood Doping 101 - CyclingTips
Doping in Endurance Sports - Adventure Medic
Russia and Kenya take the podium in the athletics doping contest | The Economist
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
Drug improves endurance without need for exercise
10 Performance-enhancing Drugs That Aren't Steroids | HowStuffWorks
