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为评价母乳喂养的好处，我们开展了母婴喂养与人工喂养新生儿感染率的调查，以说明母乳喂养的重要性。１ 资料和方法１．１ 一般资料：近３年来随机抽取７０例为母乳喂养组。另外将１９９６年度以前的３年中随机抽取５６例人工喂养者作对照，以观察两组的感染情况。（１）母乳
To assess the benefits of breastfeeding, we conducted a survey of maternal and newborn rates of artificial feeding to illustrate the importance of breastfeeding. 1 Materials and Methods 1.1 General Information: In the past three years, 70 cases were randomly selected breastfeeding group. In addition, we randomly selected 56 cases of artificial feeding in the three years before 1996 as a control to observe the infection status of the two groups. (1) breast milk