Clinical Neurology and Neurosurgery · 2015 · 10 citations · 36 references
Mixed Chronic-pain PatientsPain TherapyPain SyndromePsychometric PropertiesHealth SciencesPsychiatryPain MedicinePain TreatmentBreakthrough PainDiagnosisNeuropathic PainChronic Pain MeasurementPain ManagementPain DiagnosisMedicinePsychopathologyPain Research
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Coefficient Alpha and the Internal Structure of Tests
Lee J. Cronbach · Psychometrika · 1951 · 42.3K citations · Full text
Breakthrough pain: definition, prevalence and characteristics
Russell K. Portenoy, Neil A. Hagen · Pain · 1990 · 916 citations