Qiuyuan Chen

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BACKGROUND To examine whether the combined detection of serum tumor markers (CEA, CA72-4, CA19-9, CA15-3 and CA12-5) improves the sensitivity and accuracy in the diagnosis of gastric cancer (GC). MATERIALS AND METHODS An automatic chemiluminescence immune analyzer with matched kits was used to determine the levels of serum CEA, CA72-4, CA19-9, CA15-3, and(More)
OBJECTIVE To examine the influence of China's economic reforms on population health and regional mortality rates. METHODS Longitudinal study measuring the mortality trends and their regional variations. Using data from the three most recent national censuses, we used the model life table to adjust the mortality levels within the population for each(More)
OBJECTIVES To explore levels and patterns in contraceptive use since the introduction of informed choice in reproductive health services in China since 1994, and to assess the implications of reproductive health service needs among married women of reproductive age in China. MATERIAL AND METHODS Data from Chinese nationwide surveys of family planning and(More)
Tuberculosis is caused by mycobacterium, a potentially fatal infectious bacterium. In recent years, TB cases increased in the whole world. WHO statistics data shows that the world's annual tuberculosis incidence was 8~10 million with about 3 million deaths. Several studies have shown that susceptibility to tuberculosis may be associated with IFNGR1 gene(More)
The aim of this study was to develop a rapid detection assay to identify methicillin-resistant Staphylococcus aureus by simultaneous testing for the mecA, nuc, and femB genes using the loop-mediated isothermal amplification (LAMP) method. LAMP primers were designed using online bio-software ( http://primerexplorer.jp/e/ ), and amplification reactions were(More)
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