Submitted on: 16 June 2012.
Revised on: 16 July 2012.
Accepted on: 24 July 2012.
Radiologia Medica
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Submitted on: 04 July 2003.
Revised on: 01 August 2003.
Accepted on: 19 August 2003.
Radiologia Medica
Submitted on: 11 August 2012.
Revised on: 18 September 2012.
Accepted on: 26 September 2012.
Radiologia Medica
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