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Two gated ring oscillators (GRO) act as the delay lines in an improved Vernier time-to-digital converter (TDC). The already small quantization noise of the standard Vernier TDC is further first-order shaped by the GRO operation. The TDC has been implemented in a 90nm CMOS technology and achieves a resolution better than 5ps for a signal bandwidth of 800kHz. The current consumption is 3mA from 1.2V
Aims In anticoagulation treatment with warfarin, the risk of thrombo-embolic events must be weighed against the risk of bleeding. Time in therapeutic range (TTR) is an important tool to assess the quality of anticoagulation treatment, and has been shown to correlate with less bleeding and thrombo-embolic complications. AuriculA, the Swedish national quality registry for atrial fibrillation and ant
OBJECTIVE: We tested whether two single-nucleotide polymorphisms (SNPs) (rs2383207 and rs10757278), previously strongly associated with myocardial infarction, are independently associated with stroke and coronary events in patients with hypertension. METHODS: The Nordic Diltiazem study compared the effects of calcium antagonist and beta-blocker or diuretic-based antihypertensive treatment on cardi
Over the last decades there has been a dramatic increase in the incidence of some diseases associated with the male reproductive system, including poor semen quality, testicular cancer and congenital developmental abnormalities such as cryptorchidism and hypospadias, malformations of the urethra and scrotum respectively. Based on these observations one recurring theme is the concern that certain e
Stochastic optimal power flow can provide the system operator with adequate strategies for controlling the power flow to maintain secure operation under stochastic parameter variations. One limitation of stochastic optimal power flow has been that only line flows have been used as security constraints. In many systems voltage stability and small-signal stability also play an important role in constrai
The Lundby study is a classic epidemiological investigation. The first field investigation took place in the parishes of Dalby and Bonderup in 1947. The Lundby population, consisting of 3563 probands, was investigated for the fourth time in 1997 -2000 by Per Nettelbladt and his research team. Previous investigations took place in 1947, 1957, and 1972. Several sources of information have been used,
PURPOSE:: To investigate retinal function and structure after recent-onset rhegmatogenous retinal detachment in relation to type of surgery. METHODS:: Thirteen consecutive patients with rhegmatogenous retinal detachment of <7 days' duration underwent vitrectomy surgery. Optical coherence tomography, full-field electroretinography (ERG), and multifocal ERG were performed preoperatively and 6 months
Cystatin C is believed to prevent tumor progression by inhibiting the activities of a family of lysosomal cysteine proteases. However, little is known about the precise mechanism of cystatin C function in prostate cancer. In the present study, we examined the expression of cystatin C and its association with matrix metalloproteinases 2 (MMP2) and androgen receptor (AR) in a tissue microarray compa
Objectives. RA is associated with joint destruction and cardiovascular diseases (CVDs). Possible predictors for CVD are early changes in body composition. We therefore evaluated whether lean mass of arms and legs (LMAL), total body fat mass (BFM) or truncal fat distribution (TFD) are altered early in RA, and if so, which factors are associated. Methods. We included 132 RA patients (95 women) with
