“Experts say there’s little evidence meldonium enhances performance” by Rachel Axon, USA Today, April 8, 2016.

“A New Front in the War on Doping,” by Kevin Helliker and Sara Germano, Wall Street Journal, March 18, 2016.

“What is Meldonium? Drug Sharapova Admitted to Taking Improves Blood Flow,” by Elizabeth Chuck, NBC News, March 8, 2016.

“Effectiveness of NFL’s HGH policy in question,” by Christian Red, New York Daily News, January 30, 2016.