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Submitted on: 22 May 1998.
Revised on: 21 June 1998.
Accepted on: 07 July 1998.
Turkish Thoracic Journal
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Submitted on: 07 March 2014.
Revised on: 12 April 2014.
Accepted on: 06 May 2014.
Turkish Thoracic Journal---SPRINGER HEIDELBERGN/A
Submitted on: 04 July 2003.
Revised on: 25 July 2003.
Accepted on: 06 August 2003.
Turkish Thoracic Journal
Submitted on: 20 August 2015.
Revised on: 28 August 2015.
Accepted on: 19 September 2015.
Turkish Thoracic Journal