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OBJECTIVE Benign and malignant tumors of the spine significantly impair the function and quality of life of many patients. Standard treatment options, including conventional radiotherapy and surgery, are often limited by anatomic constraints and previous treatment. Image-guided stereotactic radiosurgery using the CyberKnife system (Accuray, Inc., Sunnyvale,(More)
The primary function of wireless sensor networks is data acquisition or monitoring of some medium, such as temperature. In many instances these networks are deployed throughout inaccessible or hazardous regions meaning frequent maintenance such as battery replacement is undesirable and in some cases impossible. Intelligent power management for these devices(More)
This paper seeks to demonstrate that autonomic behaviour is not restricted to resource-rich system, as typified by large servers, but can be incorporated into distributed and computationally challenged devices. Methods regarding how wireless sensor networks can benefit from the use of autonomic techniques without being overburdened with additional computing(More)
Pre-clinical studies indicate that pharmacologic agents can augment fracture union. If these pharmacologic approaches could be translated into clinical benefit and offered to patients with osteoporosis or patients with other risks for impaired fracture union (e.g. in subjects with large defects or open fractures with high complication rate), they could(More)
STUDY OBJECTIVE To compare the ease of insertion of the laryngeal mask airway (LMA) by two methods. DESIGN Prospective, randomized study. SETTING Operating room of a university-affiliated teaching hospital. PATIENTS 350 ASA I, II, and III patients undergoing general anesthesia, in whom use of the LMA was not contraindicated. INTERVENTIONS With all(More)
1. Single-unit activity evoked by constant-frequency (CF) and frequency-modulated (FM) sounds was recorded from the inferior colliculus of unanesthetized Mexican free-tailed bats. The FM bursts were designed to mimic the natural orientation cries emitted by this species. 2. The feature of greatest concern in this study is the response patterns evoked by(More)
The vision of ambient intelligence is one where the populas is supported in the conductance of their everyday lives through the pro-active, opportunistic support of non-intrusive computing devices offering intuitive interaction modalities. This chapter advocates the adoption of mobile intentional agents as a key enabler in the delivery of ambient(More)