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OBJECTIVE To study the prevalence of, and discuss factors contributing to, household second-hand smoke exposure in six counties in China, providing scientific support for the need to establish tobacco control measures in these areas. METHODS A cross-sectional survey was performed. Investigators conducted face-to-face interviews using a standardised(More)
Organic acid (OA) metabolisms are of fundamental importance but very limited data are available on the responses of plant OA metabolisms to Mg-deficiency. Seedlings of Citrus sinensis (L.) Osbeck cv. Xuegan were irrigated with Mg-deficient (0, 50, or 500 μM MgSO4) or Mg-sufficient (2000 μM MgSO4) nutrient solution every other day for 12 weeks. Thereafter,(More)
Chilling stress impedes growth, development, and productivity of maize (Zea mays L.). MicroRNAs (miRNAs) play critical roles in plant responses to biotic and abiotic stresses at the post-transcriptional level. Although some miRNAs have been identified in maize, little is known about the miRNAs that accumulate differently in the response to chilling stress.(More)
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