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国内外不少资料表明:环境的污染可导致机体免疫力的降低,特别是儿童、青、少年对环境中不良因素的影响最为敏感。 为探讨长春市大气污染对少年儿童免疫能力的影响,我们于1985年4月20日至5月
A lot of information at home and abroad shows that environmental pollution can lead to the reduction of immunity, especially children, youth and adolescents are most sensitive to adverse environmental factors. In order to investigate the impact of Changchun air pollution on children’s immune capacity, we April 20, 1985 to May