A simple imputation algorithm reduced missing data in SF-12 health surveys
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PII: S0895-4356(04)00194-5
doi:10.1016/j.jclinepi.2004.06.005
© 2005 Elsevier Inc. All rights reserved.
PII: S0895-4356(04)00194-5
doi:10.1016/j.jclinepi.2004.06.005
© 2005 Elsevier Inc. All rights reserved.