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Precise tuning for very low frequency (VLF) multituning antenna is very difficult in practice. After analyzing the basic theory and method of tuning, a new precise tuning method with no-anode voltage for VLF multi-tuning antenna is proposed in this paper. Through numeric calculation, the impedance characteristic of the VLF multi-tuning antenna in tuning(More)
BACKGROUND Improvements in replacement vessel harvesting techniques and antispasmodic agents since the 1970s have led to a resurgence of interest in the radial artery (RA) as a conduit for coronary revascularization. METHODS This randomized study compared the Ultra Cision Harmonic Scalpel (HS) (Ethicon Endo-Surgery, Inc., Cincinnati, OH) and the cold(More)
Lumbar degenerative disease is the major cause of low back pain. Currently, surgical treatment remains the standard care for lumbar degenerative disease. This study aimed to evaluate the efficacy and complications of minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) for the treatment of single-segment lumbar degenerative disease. A total(More)
Sex, hypertension, diabetes, dyslipidemia, smoking, age and metabolic syndrome (MetS) are major vascular risk factors for intracranial or extracranial atherosclerotic stenosis (ICAS or ECAS) in Asian population. Here, we performed a meta-analysis to evaluate the different influence of these factors on ICAS compared to ECAS in Asian population, by searching(More)
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