Submitted on: 17 November 2001.
Revised on: 12 March 2002.
Accepted on: 23 March 2002.
___________________Journal of Medical Ultrasound---WOLTERS KLUWER MEDKNOW PUBLICATIONS
Submitted on: 10 July 2011.
Revised on: 08 September 2011.
Accepted on: 01 November 2011.
___________________Journal of Medical Ultrasound---WOLTERS KLUWER MEDKNOW PUBLICATIONS
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Submitted on: 14 June 1998.
Revised on: 06 September 1998.
Accepted on: 14 October 1998.
___________________Journal of Medical Ultrasound---WOLTERS KLUWER MEDKNOW PUBLICATIONS
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Submitted on: 27 January 2014.
Revised on: 02 May 2014.
Accepted on: 16 May 2014.
___________________Journal of Medical Ultrasound---WOLTERS KLUWER MEDKNOW PUBLICATIONS
Submitted on: 03 January 2005.
Revised on: 17 April 2005.
Accepted on: 03 May 2005.
___________________Journal of Medical Ultrasound---WOLTERS KLUWER MEDKNOW PUBLICATIONS
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