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    Akritas, Michael G., Kuha, Jouni  ORCID: 0000-0002-1156-8465 and Osgood, D. Wayne 
  
(2002)
A nonparametric approach to matched pairs with missing data.
    Sociological Methods and Research, 30 (3).
     pp. 425-454.
     ISSN 0049-1241
ORCID: 0000-0002-1156-8465 and Osgood, D. Wayne 
  
(2002)
A nonparametric approach to matched pairs with missing data.
    Sociological Methods and Research, 30 (3).
     pp. 425-454.
     ISSN 0049-1241