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作者对某小学的一组学龄儿童进行了调查,研究了他们的病志,在研究病志过程中特别注意了过去佝偻病的患病经过和治疗情况。其中有32例近视,18
The authors conducted a survey of a group of school-age children in a primary school to study their pathology, paying special attention to the prevalence and treatment of past rickets in the study of the disease. There are 32 cases of myopia, 18