According to this news story:
Yahoo News, a respected doctor in the cycling community, Dr. Prentice Steffen, "has reaffirmed claims that the American outfit used EPO (erythropoietin) to win their first Tour de France in 1999."
Dr. Steffen is no flyweight masseuse/hanger on. Here's his bio from VeloNews where he has been a columnist:
Dr. Prentice Steffen, board certified in both emergency medicine and sports medicine, is serving as team doctor for the Prime Alliance Cycling team. He has served as team doctor for several teams including Mercury, Spago and U.S. Postal. Steffen has also served as medical director and event physician for major races including the Tour Du Pont, New York City Marathon and the Tour de Trump. Steffen also serves as the sports-medicine section editor for the Journal of Emergency Medicine. His services are outlined in detail at
www.pdssportsmed.com
I've long been an optimist that Lance was clean, but this makes it harder.