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In page Avascular necrosis:
"Another high-profile athlete was American road racing cyclist Floyd Landis,[3] winner of the 2006 Tour de France, the title being subsequently stripped from his record by cycling's governing bodies after his blood samples tested positive for banned substances.[4] During that tour, Landis was allowed cortisone shots to help manage his ailment, despite cortisone also being a banned substance in professional cycling at the time.[5]
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