Submitted on: 26 July 2015.
Revised on: 30 October 2015.
Accepted on: 15 November 2015.
___________________Acta Phlebologica---EDIZIONI MINERVA MEDICA
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Submitted on: 06 June 2004.
Revised on: 19 July 2004.
Accepted on: 19 August 2004.
___________________Acta Phlebologica---EDIZIONI MINERVA MEDICA
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Submitted on: 09 March 2024.
Revised on: 29 March 2024.
Accepted on: 15 May 2024.
___________________Acta Phlebologica---EDIZIONI MINERVA MEDICA
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