Xiao-Wei Feng

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BACKGROUND To date, no one-phase survey of childhood depression has been performed in China that involves both urban and rural community children. The objective of this study was to determine the prevalence, correlates, and mental health service utilization of depressive disorders (DDs) in a community-based sample of 6-14-year-old children in south-central(More)
BACKGROUND Itraconazole has been used to treat fungal infections, in particular invasive fungal infections in infants or neonates in many countries. DATA SOURCES Literature search was conducted through Ovid EMBASE, PubMed, ISI Web of Science, CNKI and Google scholarship using the following key words: "pediatric" or "infant" or "neonate" and "fungal(More)
American death series, which shows the monthly accidental deaths in the USA between 1973 and 1978, is a multicomponent time series. We analyze this well-known series via the singular spectrum analysis (SSA) based blind source separation (BSS) technique. SSA is a powerful approach to decomposing the multicomponent time series. There is an important factor(More)
The detection of nonstationarity and nonlinear dynamics of nonstationary chaotic time-series is a challenge issue, since the conventional methods are all based on the assumption that the objective time-series is stationary. In this paper, we propose a new method for analyzing the nonstationary chaotic time-series, i.e. the phase space reconstruction is(More)
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