Zeng-lin Yuan

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OBJECTIVE In order to evaluate the safety and immunogenicity of group A + C meningococcal polysaccharide vaccine, a controlled field trial was performed among children at 6-24 months and 5-13 years old in Longsheng county, Guangxi Zhuang Autonomous Region. METHODS More than 600 children were selected in this trial. 428 children, aged 6-24 month-old and(More)
  • Zeng-lin Yuan
  • Zhonghua yu fang yi xue za zhi [Chinese journal…
  • 1990
The left ventricular function of 26 workers exposed to fluorine was investigated. The results demonstrated that the LVET in the higher urine fluorine group (greater than 1.5 mg/L) was significantly shorter than the control group (P less than 0.01), the PEP was much longer than the control group (P less than 0.05), and the rate of PEP/LVET compared with the(More)
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