X. C. Deng

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OBJECTIVES To investigate the prevalence of substance use, sexual behaviours, and suicidal ideation and attempts among adolescents in Guangzhou, China, and to explore the associations between these risk behaviours and demographics. STUDY DESIGN A two-stage stratified cluster sample design produced a representative sample of 12-19-year-old students in(More)
OBJECTIVE To study the technique of sentinel lymph node mapping in the papillary thyroid carcinoma and its evaluation in the search for cervical metastases. METHOD Exploration of the sentinel lymph nodes of the papillary thyroid carcinoma by injection of methylene blue around the tumour among 25 patients during surgery. The nodes which stained blue and(More)
AIM To compare the efficacy of a combined chemotherapy regimen of 5-fluouracil (5-FU) and adriamycin (ADM) with nimustine hydrochloride (ACNU; brand name Nidran), a new nitrosourea agent, or with methyl-CCNU for advanced gastric cancer. METHODS One-hundred-and-three cases of advanced gastric cancer were randomly allocated into Group A (Me-CCNU, 5-FU and(More)
In the paper, the multifractal detrended fluctuation analysis is used to investigate the multifractal characteristics of gold grades series in the Dayingezhuang gold deposit, Jiaodong province, China. Results obtained from the multifractal parameters and multifractal spectra show that the gold grades series exhibit multifractal scaling and different(More)
BACKGROUND It is well established that the activation of the renin-angiotensin system (RAS) and the oxidative stress caused by hyperglycemia are major mediators of the development and progression of diabetic nephropathy (DN). Vitamin D may be important in maintaining podocyte health, preventing epithelial-to-mesenchymal transformation, and suppressing renin(More)
Experiments showed that in the rat model of alcohol-induced liver injury, a dosage of the pills (1-2g/kg, ig) could increase the cholesterol level, lower the triglyceride level, and improve the fatty degeneration and necrosis of liver (P < 0.05-0.01). The results suggest that the important mechanism of the pills in protecting and treating alcoholic fatty(More)
OBJECTIVE The purpose of this study was to compare the results of mastoidectomy with the plasty of the cavity of auricular concha and the counterpart of mastoidectomy without it at after for 2-6 years followup. METHOD A retrospective analysis of 320 cholesteatoma cases, surgically treated at the department of otorhinolaryngology-head and neck surgery,(More)
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