Submitted on: 31 March 2013.
Revised on: 05 June 2013.
Accepted on: 28 July 2013.
___________________JOURNAL OF HELMINTHOLOGY---CAMBRIDGE UNIV PRESS
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Submitted on: 01 February 2010.
Revised on: 29 April 2010.
Accepted on: 25 June 2010.
___________________JOURNAL OF HELMINTHOLOGY---CAMBRIDGE UNIV PRESS
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Submitted on: 03 June 2006.
Revised on: 21 July 2006.
Accepted on: 15 August 2006.
___________________JOURNAL OF HELMINTHOLOGY---CAMBRIDGE UNIV PRESS
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Submitted on: 16 February 2012.
Revised on: 22 April 2012.
Accepted on: 20 June 2012.
___________________JOURNAL OF HELMINTHOLOGY---CAMBRIDGE UNIV PRESS
Submitted on: 24 August 2000.
Revised on: 18 September 2000.
Accepted on: 14 October 2000.
___________________JOURNAL OF HELMINTHOLOGY---CAMBRIDGE UNIV PRESS
Submitted on: 23 October 1998.
Revised on: 25 November 1998.
Accepted on: 07 December 1998.
___________________JOURNAL OF HELMINTHOLOGY---CAMBRIDGE UNIV PRESS