Submitted on: 29 November 2016.
Revised on: 20 March 2017.
Accepted on: 23 April 2017.
___________________Bratislava Medical Journal-Bratislavske Lekarske Listy
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Submitted on: 15 May 2011.
Revised on: 13 August 2011.
Accepted on: 07 October 2011.
___________________Bratislava Medical Journal-Bratislavske Lekarske Listy
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Submitted on: 13 August 2006.
Revised on: 28 November 2006.
Accepted on: 20 January 2007.
___________________Bratislava Medical Journal-Bratislavske Lekarske Listy
Submitted on: 18 April 2003.
Revised on: 08 July 2003.
Accepted on: 04 August 2003.
___________________Bratislava Medical Journal-Bratislavske Lekarske Listy
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