The Spine Journal · 2017 · 48 citations · 23 references
PharmacyOrthopaedic SurgeryPediatricsEarly DetectionEarly InterventionOutcomes ResearchClinical Outcome AssessmentPatient-reported Outcome MeasuresPatient-reported OutcomesCauda Equina DecompressionEarly Intervention InclusionEarly Intervention Regimes
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Missing data: Our view of the state of the art.
Joseph L. Schafer, J. A. Graham · Psychological Methods · 2002 · 10.9K citations