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Is there a role for expectation maximization imputation in addressing missing data in research using WOMAC questionnaire? Comparison to the standard mean approach and a tutorial.

Ghomrawi HM, Mandl LA, Rutledge J, Alexiades MM, Mazumdar M.

BMC Musculoskelet Disord. 2011 May 23;12:109. doi: 10.1186/1471-2474-12-109.

PMID: 21605458 [PubMed - indexed for MEDLINE]

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