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BACKGROUND Result publication is the key step to improve the transparency of clinical trials. OBJECTIVE To investigate the result publication rate of Chinese trials registered in World Health Organization (WHO) primary registries. METHOD We searched 11 WHO primary registries for Chinese trials records. The progress of each trial was analyzed. We(More)
One purpose in this research was to determine the toxic effects of Cd on antioxidant enzymes of Oxya chinensis (Orthoptera: Acridoidae). Changes in the activities of the antioxidant enzymes superoxide dismutase (SOD), catalase (CAT), and guaiacol peroxidase (GPx) were measured in O. chinensis insects injected with Cd(2+). Fifth-nymphs of O. chinensis(More)
OBJECTIVE To investigate the report rate of ethical review in registered Chinese trials records. METHODS Chinese trials recorded in WHO primary registries and http://clinicaltrials.gov to 14 July 2009 were identified. The report rates of ethical review and each of the 20 items in WHO's Trial Registration Data Set were calculated. Correlation of the item's(More)
BACKGROUND Creation of artificial gametes may provide a universal solution for these patients with no gametes. Stem cell technology may provide a way to obtain fully functional gametes. Retinoic acid (RA) can initiate meiosis. Several studies have demonstrated that RA can promote sperm cells differentiation from mouse embryonic stem cells (mESCs) and other(More)
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