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Submitted on: 11 February 2011.
Revised on: 30 May 2011.
Accepted on: 10 July 2011.
___________________CLINICAL SCIENCE---PORTLAND PRESS LTD
Submitted on: 23 April 2011.
Revised on: 30 May 2011.
Accepted on: 30 June 2011.
___________________CLINICAL SCIENCE---PORTLAND PRESS LTD
Submitted on: 09 April 2007.
Revised on: 14 May 2007.
Accepted on: 14 June 2007.
___________________CLINICAL SCIENCE---PORTLAND PRESS LTD
Submitted on: 30 September 2012.
Revised on: 27 November 2012.
Accepted on: 06 January 2013.
___________________CLINICAL SCIENCE---PORTLAND PRESS LTD