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近年来的研究资料表明男性不育症患者精液中微量元素Zn、Mn、Se均低于健康生育组。为深入研究微量元素含量对精液质量究竟存在着多大的影响,我们应用华西医科大学卫生统计教研室等四个单位联合编制的统计程序软件中“逐步回归”的方法对80例男性不育症精子密度、
In recent years, research data show that male infertility patients semen Zn, Mn, Se were lower than healthy children. In order to further study the influence of trace elements on the quality of semen, how to influence the quality of semen? We used the “step by step regression” statistical program software jointly compiled by four departments such as the Department of Health Statistics of Huaxi Medical University to measure the sperm density ,