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Regional anesthesia techniques are commonly used for many surgical procedures alone or as an addition to general anesthesia, because they offer many advantages over general anesthesia. Unfortunately these techniques are partially limited by the time of action of local anesthetics. One of the methods of overcoming this limitation is adding to the local(More)
SUMMARY The last 30 years have brought dynamic developments in orthopedic surgery, particularly joint surgery. Today many orthopedic centers perform hundreds of total hip and knee arthroplasties every year. Surgeons can choose from among a variety of operative techniques and implant systems. Nevertheless, this type of surgery is invariably associated with(More)
We evaluate the exposure during nadir observations with JEM-EUSO, the Extreme Universe Space Observatory, on-board the Japanese Experiment Module of the International Space Station. Designed as a mission to explore the extreme energy Universe from space, JEM-EUSO will monitor the Earth's nighttime atmosphere to record the ultraviolet light from tracks(More)
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