Nandrolone is the drug of choice for potential performance-enhancing effects
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![Nandrolone is the drug of choice for potential performance-enhancing effects](https://i.dailymail.co.uk/1s/2021/03/27/23/41025520-0-image-m-123_1616886044165.jpg)
PROFESSOR ROSS TUCKER: Pep Guardiola, Linford Christie, Shoaib Akhtar and Greg Rusedski (pictured) are among those to produce nandrolone positives. Not all were suspended.