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The efficiency of thermoelectric energy converters is limited by the material thermoelectric figure of merit (zT). The recent… Expand Thallium (Tl) is a rare but widely dispersed element. All forms of thallium are soluble enough to be toxic to living organisms… Expand SummaryA “plant gene vector cassette” to be used in combination with various Escherichia coli gene-cloning vectors was… Expand BACKGROUND
The increase in heart rate that accompanies exercise is due in part to a reduction in vagal tone. Recovery of the… Expand BACKGROUND
The clinical significance of coronary-artery stenoses of moderate severity can be difficult to determine. Myocardial… Expand BACKGROUND
The identification of ischemic but viable myocardium by thallium exercise scintigraphy is often imprecise, since many… Expand The biodistribution, dosimetry, and safety of a new myocardial imaging agent, 99mTc-hexakis-2-methoxyisobutyl isonitrile… Expand To evaluate the severity of coronary artery disease in patients with severe peripheral vascular disease requiring operation, we… Expand The diagnosis of coronary-artery disease has become increasingly complex. Many different results, obtained from tests with… Expand Following intravenous administration, the myocardial concentration of tracer thallium-201, potassium-43, and rubidium-81 were… Expand