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为了了解断奶期(六个月到一岁半)的婴幼儿膳食与共生长发育的关系,及如何通过供给他们一种营养成分较好的断奶食品以改进共营养状况,我们自1981年起在北京郊区对191名婴儿进行了观察。根据他们所吃的食物将婴儿分为三组:第一组94名婴儿在观察期间只吃母乳,然后过渡到以谷类为主的膳食;第二组66名婴儿,他们除吃母
In order to understand the relationship between infant and young children’s weaning and growth during the weaning period (six months to one and a half years old) and how to improve their nutritional status by providing them with a nutritious, well-balanced weaning product, we have been in Beijing since 1981 191 babies were observed in the suburbs. The babies were divided into three groups based on the foods they ate: the first group of 94 babies consumed only breast milk during the observation period and then transitioned to a cereal-based diet; the second group of 66 babies, except the mother