Peyton Manning 'Disgusted' By Human Growth Hormone Accusations, Football, Peyton Manning
Players Say the NFL Has an HGH Problem, Even If Peyton Manning Isn't Part of It, News, Scores, Highlights, Stats, and Rumors
Historical Timeline - Drug Use in Sports - ProCon.org
HGH testing not imminent for NFL – New York Daily News
Performance Enhancing Hormone Doping in Sport - Endotext - NCBI Bookshelf
NFL for first time says HGH testing has resulted in positive tests – New York Daily News
Peyton Manning report blows lid off NFL's growing HGH problem – New York Daily News
Report: Peyton Manning linked to illegal HGH use, by Paul Dughi, SportsRaid