OBJECTIVES In the context of the global decrease in mortality due to gastric cancer, previous studies have reported that the effect of chronic Helicobacter pylori (H. pylori) infection on the incidence of gastric cancer varies among regions. This systematic review was conducted to investigate H. pylori as a risk factor for gastric cancer in Korea, where the incidence of gastric cancer is among ...

| Techniques for avoiding the high memory overheads found on many modern shared-memory multiproces-sors are of increasing importance in the development of high-performance multiprocessor protocol implementations. One such technique is processor-cache aanity scheduling, which can signiicantly lower packet latency and substantially increase protocol processing throughput 30]. In this paper, we ev...

Cache coherent non-uniform memory access (CC-NUMA) multiprocessors provide a scal-able design for shared memory but they continue to suuer from large remote memory access latencies due to comparatively slow memory technology and data transfer latencies in the in-terconnection network. In this paper, we propose a novel hardware caching technique, called switch cache, to improve the remote memory...

The present study was an attempt to determine a relationship between foreign language reading anxiety and reading strategy use among a group of EFL Iranian readers (no = 100) with low vs. high proficiency levels. To this end, FLRAS (Foreign Language Reading Anxiety Scale) developed by Saito, Horwitz, and Garza, (1999) was used in order to measure the participants’ level of anxiety in reading an...

Superoxide is a potent cellular poison.1 As such, organisms have evolved a number of pathways to degrade superoxide before it can cause cellular damage. The best understood are the superoxide dismutases (SOD), which catalyze the disproportionation of superoxide.2 In some anaerobic organisms a different protection scheme has evolved. These organisms utilize superoxide reductases (SORs), which ca...

introduction:it is well-recognized that collimator-detector response (cdr) is the main image blurring factor in spect.  in this research, we compensated the images for cdr in molecular spect by using stir reconstruction framework. methods: to assess resolution recovery capability of the stir, a phantom containing five point sources along with a micro derenzo phantom were investigated. influence...

Effective autologous bone marrow transplantation for leukemia and lymphoma is likely to depend upon the selective removal in vitro of malignant cells from normal human bone marrow precur sors. Highly specific cytotoxic conjugates formed by coupling ricin A chain to monoclonal antibodies might prove useful for the selective elimination of malignant cells. Consequently, ricin A chain conjugates h...

reversible or irreversible lesions of the upper gastrointestinal tract [1]. In cases of alkali ingestion, esophageal strictures concomitant to dysphagia constitute a major problem of the long−term course. Regular follow−up by endoscopy is re− commended owing to the significantly increased risk of developing esophageal carcinoma [2]. In August 2005, a 71−year−old patient with serious dysphagia a...

Consumer-grade distance sensors, such as the Microsoft Kinect devices (v1 and v2), have been investigated for use as marker-free motion monitoring systems for radiotherapy. The radiotherapy delivery environment is challenging for such sen-sors because of the proximity to electromagnetic interference (EMI) from the pulse forming network which fires the magnetron and electron gun of a linear acce...