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Variations in colonoscopy practice in Europe: A multicentre descriptive study (EPAGE)

Objective. The volume of colonoscopies performed is increasing and differences in colonoscopy practice over time and between centres have been reported. Examination of current practice is important for benchmarking quality. The objective of this study was to examine variations in colonoscopy practice in endoscopy centres internationally. Material and methods. This observational study prospectively

Intra-urban differences in breast cancer mortality: a study from the city of Malmo in Sweden

STUDY OBJECTIVE: To assess whether in an urban population stage at breast cancer diagnosis is related to area of living and to what extent intra-urban differences in breast cancer mortality are related to incidence respectively stage at diagnosis. DESIGN: National registries were used to identify cases. Mortality in 17 residential areas was studied in relation to incidence and stage distribution u

Admission control with service level agreements for a web server

One problem with web servers is that they are sensitive to overload. The servers may become overloaded during temporary traffic peaks when more requests arrive than the server is designed for. Because overload usually occurs rather seldom, it is not economical to overprovision the servers for these traffic peaks, instead admission control mechanisms can be implemented in the servers. This pa per i

Inhibitory neurotransmission in lower oesophagus

Popular Abstract in Swedish Regleringen av esofagus och den nedre esofagussfinkterns motilitet har rönt intresse på grund av dess betydelse vid vissa sjukdoms-tillstånd såsom gastroesofageal reflux och akalasi. Den nedre esofagussfinktern har vidare använts som modell för farmakologiska och fysiologiska studier av viss typ av autonom neurotransmission, s k icke-adrenerg, icke-kolinerg (NANC) neuroThe inhibitory neuromuscular control of the human and cat lower oesophagus was investigated by morphological, functional, and biochemical methods. A supply of nerve fibres and myenteric cell bodies, containing nitric oxide synthase (NOS), haem oxygenase (HO)-2, vasoactive intestinal peptide (VIP), and pituitary adenylate cyclase activating peptide (PACAP) was observed. The highest density of nerve

Surgical treatment of symptomatic recurrent disc herniation

The official publication of the International Society for the Study of the Lumbar Spine, this volume is the most authoritative and up-to-date reference on the lumbar spine. This edition provides more balance between basic science and clinical material and has been completely reorganized for easy reference. New chapters cover gene therapy, outcomes assessment, and alternatives to traditional nonop