FILE -In this June 17, 2010 file photo, former South African President, Nelson Mandela  leaves the chapel after attending the funeral of his great-granddaughter Zenani Mandela in Johannesburg, South Africa.  South African President Jacob Zuma says that former President Nelson Mandela has been admitted to hospital in Pretoria to undergo tests. Zuma issued a statement Saturday, Dec. 8, 2012 saying that Mandela is &quot;doing well and there is no cause for alarm.&quot; (AP Photo/Siphiwe Sibeko, Pool, File)
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