South Yorkshire Police said he died at the Royal Hallamshire Hospital on Saturday.
BBC: Chris Humphreys
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The latest controversy has been raised by dermatologists from St John's Institute of Dermatology in London and the Royal Hallamshire Hospital in Sheffield.
BBC: Coin change 'could cause more skin problems'
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Dr Ian Sabroe, is a chest physician at the Royal Hallamshire Hospital, Sheffield, who has been looking at the role of TLRs in infections and controlling allergies.