Search Results - "Christofides, C."
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“Killing two birds with one stone”: endoscopic management of PUJ and VUJ obstructions with a renal stone in a congenital solitary kidney
Published in South African journal of surgery (01-12-2021)“…We report on the diagnosis and management of a 25-year-old female with a congenital solitary kidney associated with simultaneous pelviureteric (PUJ) and…”
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The role of surgery in Conn’s syndrome – a case of refractory hypertension secondary to an aldosterone secreting adenoma
Published in South African journal of surgery (01-09-2021)“…Summary Primary aldosteronism, eponymously known as Conn’s syndrome, has recently gained recognition as the most common cause of endocrine hypertension…”
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Conditional acceptability of random variables
Published in Journal of inequalities and applications (06-06-2016)“…Acceptable random variables introduced by Giuliano Antonini et al. (J. Math. Anal. Appl. 338:1188-1203, 2008 ) form a class of dependent random variables that…”
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An audit of patients presenting with clinically benign breast disease to the Helen Joseph Hospital Breast Imaging Unit
Published in South African journal of surgery (01-09-2021)“…Background Benign breast pathology is a common presenting complaint, and its assessment is important to characterise not to miss malignant pathology. At Helen…”
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Laser induced micro-photoluminescence of marble and application to authenticity testing of ancient objects
Published in Applied physics. A, Materials science & processing (01-02-2008)“…For the last 70 years, the authenticity of disputable marble objects has been tested by using a black light lamp. According to empirical observations “fresh…”
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The role of humic substances in the formation of marble patinas under soil burial conditions
Published in Physics and chemistry of minerals (01-05-2009)“…The present work aim to study the effect of burial on the photoluminescnece (PL) spectra of white, crystalline marble surfaces and the physicochemical…”
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Asymptotic normality of U-statistics based on i.i.d. or negatively associated observations by utilizing Zolotarev's ideal metric
Published in Communications in statistics. Theory and methods (18-06-2023)“…In this paper we obtain the distance between U-statistics and a normal random variable by utilizing Zolotarev's ideal metric. The results are for U-statistics…”
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A connection between supermodular ordering and positive/negative association
Published in Journal of multivariate analysis (2004)“…In this paper, we show that a vector of positively/negatively associated random variables is larger/smaller than the vector of their independent duplicates…”
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Item Count Technique in estimating the proportion of people with a sensitive feature
Published in Journal of statistical planning and inference (01-02-2007)“…In assessing the prevalence of a sensitive attribute like habitual heroin consumption in a community of people, indirect questioning is a necessity to extract…”
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Short-term nitrous oxide emissions from pasture soil as influenced by urea level and soil nitrate
Published in Plant and soil (01-12-2004)“…Nitrogen excreted by cattle during grazing is a significant source of atmospheric nitrous oxide (N₂O). The regulation of N2₂O emissions is not well understood,…”
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Item count technique with no floor and ceiling effects
Published in Communications in statistics. Theory and methods (18-03-2020)“…Conclusions of sample surveys dealing with matters of privacy are often disputed. Many people either refuse to participate or provide false answers. Indirect…”
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Assessing the effectiveness of indirect questioning techniques by detecting liars
Published in Statistical papers (Berlin, Germany) (01-10-2023)“…In many fields of applied research, mostly in sociological, economic, demographic and medical studies, misreporting due to untruthful responding represents a…”
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A generalized randomized response technique
Published in Metrika (01-01-2003)Get full text
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Instrumentation for the monitoring of toxic pollutants in water resources by means of neural network analysis of absorption and fluorescence spectra
Published in Sensors and actuators. B, Chemical (30-01-2007)“…The concentration of several pollutants, usually present in industrial waste waters, is predicted by the neural network data processing of absorption and…”
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FULLSPECTRUM: a new PV wave making more efficient use of the solar spectrum
Published in Solar energy materials and solar cells (01-05-2005)“…The project FULLSPECTRUM — an Integrated Project (IP) in the terminology of the European Commission — pursues a better exploitation of the FULL solar SPECTRUM…”
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Mixture of Truthful–Untruthful Responses in Public Surveys
Published in International statistical review (01-12-2019)“…Summary When sensitive issues are surveyed, collecting truthful data and obtaining reliable estimates of population parameters is a persistent problem in many…”
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Randomized response in stratified sampling
Published in Journal of statistical planning and inference (15-01-2005)“…This paper extends the randomized response model presented in Christofides (Metrika 57 (2003)195) to the case of stratified sampling. A comparison between the…”
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Randomized response technique for two sensitive characteristics at the same time
Published in Metrika (01-09-2005)Get full text
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COMPOSITION PROFILES AND TIME EVOLUTION OF BURIED MARBLE PATINAS BY LA-ICP-MS AND LASER-INDUCED MICRO-PHOTO-LUMINESCENCE
Published in Archaeometry (01-12-2010)Get full text
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The MTHFR 677TT and 677CT/1298AC genotypes in Cypriot patients may be predisposing to hypertensive nephrosclerosis and chronic renal failure
Published in International angiology (01-09-2005)“…The homozygous 677TT mutation of the MTHFR gene has been linked to deep vein thrombosis and to arterial atherosclerotic events of the coronary, carotid and…”
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