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BACKGROUND Randomized trials have yielded mixed results on the effects of treatment for Helicobacter pylori and little information on the effects of vitamins or garlic supplements on precancerous gastric lesions. We conducted a randomized trial to test the effects of one-time H. pylori treatment and long-term vitamin or garlic supplements in reducing the(More)
The rake receiver is investigated for spatial multiplexing (SM) in wide-band code-division multiple access systems. In general, the SM increases the data rate and the diversity order as well. The appropriate maximum likelihood detector is derived in this paper and it is shown that the diversity order is related to the product of the numbers of receive(More)
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