On Wednesday 04 August 2004 23:13, Bob Schwartz wrote:
There are testing statistics in the USADA annual report. From
http://www.usantidoping.org/files/ac...eport_2003.pdf
Page 36

Out of 6890 total tests only one came up positive for EPO. By that
I think one can conclude that either EPO doping is very, very rare
or that the test is ****. One or the other.

Or the window between using and testing positive is very small.