Submitted on: 21 October 2009.
Revised on: 20 December 2009.
Accepted on: 01 February 2010.
___________________Journal of Causal Inference---DE GRUYTER POLAND SP Z O O
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Submitted on: 25 August 2012.
Revised on: 08 November 2012.
Accepted on: 20 December 2012.
___________________Journal of Causal Inference---DE GRUYTER POLAND SP Z O O
Submitted on: 11 January 2008.
Revised on: 07 April 2008.
Accepted on: 21 April 2008.
___________________Journal of Causal Inference---DE GRUYTER POLAND SP Z O O
Submitted on: 23 November 2017.
Revised on: 28 February 2018.
Accepted on: 20 April 2018.
___________________Journal of Causal Inference---DE GRUYTER POLAND SP Z O O
Submitted on: 05 July 2006.
Revised on: 30 September 2006.
Accepted on: 15 October 2006.
___________________Journal of Causal Inference---DE GRUYTER POLAND SP Z O O
Submitted on: 27 September 2009.
Revised on: 27 November 2009.
Accepted on: 11 January 2010.
___________________Journal of Causal Inference---DE GRUYTER POLAND SP Z O O
Submitted on: 02 November 2009.
Revised on: 24 January 2010.
Accepted on: 12 February 2010.
___________________Journal of Causal Inference---DE GRUYTER POLAND SP Z O O
Submitted on: 11 November 2009.
Revised on: 13 February 2010.
Accepted on: 03 April 2010.
___________________Journal of Causal Inference---DE GRUYTER POLAND SP Z O O
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