Duanqiang Guo

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BACKGROUND Heart failure (HF) is a global public health problem of increasing importance. The association between acute exposure to air pollution and HF has been well established in developed countries, but little evidence was available in developing countries where air pollution levels were much higher. We conducted a time-series study to investigate the(More)
OBJECTIVE The aim of this study was to determine the patient characteristics and outcome of patients with aggressive histologic variants (AV) of endometrial carcinoma, including uterine papillary serous carcinoma (UPSC), uterine clear cell carcinoma (UCCC), and mixed type. METHODS AND MATERIALS All cases with AV histological type of endometrial carcinoma(More)
BACKGROUND Road-traffic injury (RTI) is a major public-health concern worldwide. However, the effectiveness of laws criminalizing drunk driving on the improvement of road safety in China is not known. METHODS We collected daily aggregate data on RTIs from the Guangzhou First-Aid Service Command Center from 2009 to 2012. We performed an interrupted(More)
The Inter Society of Radiation Oncologists of North America (ISRON) workload standard for linear accelerators is the one most widely used; it regards the treatment of 250 or more patients per year as an acceptable limit. Nevertheless, there is concern that this standard does not represent the current workload of linear accelerators, given that the(More)
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