Riverkeeper

Breakthrough pain: definition, prevalence and characteristics

Russell K. Portenoy, Neil A. Hagen · Pain · 1990 · 916 citations

A cost-of-illness study of back pain in The Netherlands

Maurits W. van Tulder, Bart W. Koes, L.M. Bouter · Pain · 1995 · 762 citations

Pain Medicine, Cost-of-illness Study, Primary Care +19

Male and female chronic pain patients categorized by DSM-III psychiatric diagnostic criteria

David A. Fishbain, Myron Goldberg, Robert B. Meagher et al. · Pain · 1986 · 560 citations

Psychological Co-morbidities, Pain Therapy, Pain Disorders +26

Further evidence for ‘pain-related’ behaviours in a model of unilateral peripheral mononeuropathy

Nadine Attal, F. Jazat, V. Kayser et al. · Pain · 1990 · 505 citations

Medial prefrontal cortex generates frontal midline theta rhythm

Ryouhei Ishii, Kazuhiro Shinosaki, Satoshi Ukai et al. · Neuroreport · 1999 · 489 citations

Neuropsychology, Healthy Subjects, Frontal Midline Area +18