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Submitted on: 14 June 2003.
Revised on: 30 August 2003.
Accepted on: 26 October 2003.
___________________Bratislava Medical Journal-Bratislavske Lekarske Listy
Submitted on: 01 September 2005.
Revised on: 20 December 2005.
Accepted on: 01 February 2006.
___________________Bratislava Medical Journal-Bratislavske Lekarske Listy
Submitted on: 28 April 2018.
Revised on: 24 July 2018.
Accepted on: 27 August 2018.
___________________Bratislava Medical Journal-Bratislavske Lekarske Listy
Submitted on: 17 February 2018.
Revised on: 28 March 2018.
Accepted on: 14 April 2018.
___________________Bratislava Medical Journal-Bratislavske Lekarske Listy
Submitted on: 16 August 1998.
Revised on: 09 December 1998.
Accepted on: 03 February 1999.
___________________Bratislava Medical Journal-Bratislavske Lekarske Listy