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Dr Margaret McCartney and Prof Carl Henegan explain false positives and false negatives. Credit: A man using a metal detector on the beach in Blackpool. Andrew Yate/AFP/Getty Images
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Available for over a year
Dr Margaret McCartney and Prof Carl Henegan explain false positives and false negatives. Credit: A man using a metal detector on the beach in Blackpool. Andrew Yate/AFP/Getty Images
Programme Website