Keyphrases
Immunoreactivity
100%
Chronic Tension-type Headache
100%
Cerebrospinal Fluid
100%
Met-enkephalin
100%
Headache
42%
Antinociceptive
28%
Nociceptive Flexion Reflex
28%
Thermal Pain Threshold
28%
Pericranial Tenderness
28%
Non-associated
14%
Control Subjects
14%
Mann-Whitney
14%
Migraine
14%
Cerebrospinal Fluid Concentration
14%
Opioids
14%
Radioimmunoassay
14%
Median Level
14%
Before Surgery
14%
Sex Differences
14%
Patient Report
14%
Mild Analgesics
14%
Free Control
14%
Increased Activity
14%
Decreased Activity
14%
Nociceptive Afferents
14%
Sex Correlation
14%
Spinal Analgesia
14%
Neuroscience
Headache
100%
Met-Enkephalin
100%
Pain Threshold
28%
Flexor Reflex
28%
Analgesic
14%
Migraine
14%
Radioimmunoassay
14%
Opiate
14%
Reflex
14%
Pharmacology, Toxicology and Pharmaceutical Science
Chronic Tension Headache
100%
Metenkephalin
100%
Headache
42%
Disease
14%
Analgesic Agent
14%
Migraine
14%
Opiate
14%
Radioimmunoassay
14%