 She was repeatedly drug tested during competition, and passed all of these tests.In a 1998 interview, controversial sports physician Robert Kerr revealed that he had treated Flo-Jo for an ankle injury not long before her historical performances in Seoul.Kerr gained fame in the early 1980s after claiming he had prescribed anabolic agents to more than 4,000 athletes, 19 of whom won medals at the 1984 Los Angeles Olympics.