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The Effect of Selenium on Protection-Enzyme Activity and Photosynthesis Speed of Lettuce
Du Huiling, Feng Liangrui, Niu Zhifeng, Guo Pingyi, Wang Yuexin
Chinese Agricultural Science Bulletin . 2007, (5): 226 -226 .  DOI: 10.11924/j.issn.1000-6850.0705226