Journal of Pain and Symptom Management · 2010 · 54 citations · 15 references
Pain TherapyOncologyHealth SciencesInterventional Pain MedicinePain MedicinePain TreatmentBreakthrough PainCancer PainPain ManagementMedicineCancer ResearchPain Research
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Breakthrough pain: definition, prevalence and characteristics
Russell K. Portenoy, Neil A. Hagen · Pain · 1990 · 916 citations