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The Second International Conference on Particle Induced X-ray Emission (PIXE) and its analytical applications was held in Lund, Sweden, June 9-12, 1980. About a hundred papers were presented, including seven invited talks (PIXE and particle scattering, microbeam analysis (2), applications to aerosols (2) and biological samples (2)). The main impression left by the conference was that both the PIXE

A 21 year old man suffering from ileocecal Crohn's disease since 4 years was admitted with history of progressive, right sided hip and leg pain for 6 months. Extensive, retroperitoneal abscesses, extending into the gluteal and paravertebral muscles were visualized. The patient was treated by intravenous antibiotics and percutaneous drainage. Later, ileocecal resection was performed. Most likely, t

Abstract in UndeterminedThe capacity of shrub canopy water storage is a key factor in controlling the rainfall interception. Thus, it affects a variety of hydrological processes in water-limited arid desert ecosystems. Vast areas of revegetated desert ecosystems in Northwestern China are occupied by shrub and dwarf shrub communities. Yet, data are still scarce regarding their rainwater storage cap

Den kinesiska utrikeshandelslagstiftningen genomgår en snabb omvandling. I två på varandra följande artiklar analyseras Kinas immaterialrättsliga regelverk. I den första artikeln behandlas de nyligen antagna varumärkes- och patentlagarna med kortare utvikningar om anställda uppfinnare och upphovsrättsliga regler. Denna andra artikel behandlar hur reglerna omsätts i praktiskt licenssamarbete och de

Several studies have reported conflicting effects of sex on HIV-1 infection. We describe differences in baseline characteristics and assess the impact of sex on HIV progression among patients at a clinic with many HIV-2 and dually infected patients.

An increased prevalence of cardiovascular (CV) risk factors and cardiac abnormalities has been shown among adult GH deficient ALL survivors subjected to cranial irradiation. The ALL treatment includes many known risk factors for low bone mineral density (BMD), but little is known about pituitary insufficiencies, except for GH deficiency. In study I we evaluated the impact of 2 years GH therapy on

The COLOFOL trial, a prospective randomized multicenter trial comparing two follow-up regimes after curative surgical treatment for colorectal cancer, focuses on detection of asymptomatic recurrences. This paper aims to describe the design and recruitment procedure in the COLOFOL trial, comparing demographic characteristics between randomized patients and eligible patients not included in the stud

The Global Prevalence of Infections in Urology (GPIU) study is a worldwide-performed point prevalence study intended to create surveillance data on antibiotic resistance, type of urogenital infections, risk factors and data on antibiotic consumption, specifically in patients at urological departments with healthcare-associated urogenital infections (HAUTI). Investigators registered data through a

The ambiguity domain plays a central role in estimating the time-varying spectrum of a non-stationary random process in continuous time, since multiplication in this domain is equivalent with estimating the covariance function of the random process using an intuitively appealing estimator. For processes in discrete time there exists a corresponding covariance function estimator. The ambiguity doma

BACKGROUND: The etiology and significance of flu-like symptoms often appearing before myocardial infarction should be clarified. METHODS: In a case-control study of 323 matched controls and a random sample of 110 out of 351 cases the presence of infection symptoms during the preceding four weeks before admission were asked and blood samples taken. RESULTS: Enterovirus (EV), herpes simplex virus (H

The analysis of the spectrum of Yb rn has been extended allowing us to establish 11 new energy level values. In addition, radiative lifetimes of two excited states of Yb III have been measured for the first time using time-resolved laser-induced fluorescence following two-photon excitation. The good agreement between experimental results and semi-empirical calculations performed with the relativis

This paper presents a technique for substantially reducing the noise of a CMOS low noise amplifier implemented in the inductive source degeneration topology. The effects of the gate induced current noise on the noise performance are taken into account, and the total output noise is strongly reduced by inserting a capacitance of appropriate value in parallel with the amplifying MOS transistor of th