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The aim was to analyse the existing relation between a subjective evaluation of pain with the use of the Verbal Numerical Scale (VNS) and an objective behavioural measure associated with pain, by means of the Pain Behaviour Rating Scale (UAB). An observational correlation study was carried out in a hospital environment. The study included 61 patients affected with multiple forms of non-malignant chronic...
This study was undertaken to analyze the involvement of periaqueductal gray (PAG) cannabinoid or group I metabotropic glutamate receptors in the formalin-induced changes on the rostral ventromedial medulla (RVM) ON- and OFF-cells activities. S.c. injection of formalin into the hind paw produced a transient decrease (4–6 min) followed by a longer increase (25–35 min) in tail flick latencies. Formalin...
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