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Background The etiology of de Quervain's tenosynovitis (dQ) has been based on conflicting small case series and cohort studies lacking methodological rigor. A prospective case-control study was conducted to analyze the most common risk factors for dQ. Methods Between January 2003 and May 2011, 189 patients surgically treated for dQ vs. 198 patients with wrist ganglia (WG) (controls) were identified...
Bipolar junction transistors with a non isolated substrate have extra effects that need to be included in compact models. These effects are due to the existence of a parasitic pnp transistor inside the main transistor having the substrate as its collector. The parasitic can be modeled as a complete transistor, however that would add too much complexity to the whole model. This work focuses on one...
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