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UNLABELLED Opioids are regularly administered in acute and cancer pain. In chronic non-cancer pain (CNCP), however, their use is controversial. Previous meta-analyses and randomized controlled trials (RCTs) lack methodological homogeneity and comparable data. Here we analysed the maximum analgesic efficacies of opioids and non-opioids compared with placebo,(More)
To test Levonian's retentivity-accessibility hypothesis on arousal and retention 48 undergraduates participated in an experiment on retention while skin resistance was recorded. Results support Levonian's hypothesis only for longer-term (30-min.) retention but not for short-tem (3-min.) retention.
An experimental study was conducted to demonstrate the value of a procedure for analyzing motor performance data. A sample of 156 subjects practiced on two instruments for motor learning while arousal data were recorded. Each set of data was submitted to an analysis of principal components and four components resulted for each set of data. Similarity(More)
The statutory opening of hospitals for ambulatory surgery can't without more ado be derived from the health-care reform which came into force on the 1st of January 1993. From the genesis of this reform it can be understood that the field of ambulatory surgery has been integrated just shortly before its legislation into the outlines of the health-care(More)