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Submitted on: 13 October 2000.
Revised on: 30 October 2000.
Accepted on: 13 November 2000.
Pediatria i Medycyna Rodzinna-Paediatrics and Family Medicine
Submitted on: 10 March 2005.
Revised on: 27 March 2005.
Accepted on: 21 April 2005.
Pediatria i Medycyna Rodzinna-Paediatrics and Family Medicine
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Submitted on: 07 November 2011.
Revised on: 24 November 2011.
Accepted on: 30 November 2011.
Pediatria i Medycyna Rodzinna-Paediatrics and Family Medicine
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Submitted on: 14 January 2017.
Revised on: 19 February 2017.
Accepted on: 11 March 2017.
Pediatria i Medycyna Rodzinna-Paediatrics and Family Medicine