１９７５名独生子女体格发育分析东山卫生检疫局陈维娜东山县卫生防疫站钟景长为了解我县独生子女与全国九市郊、城区儿童体格发育是否存在差异，我们于最近对１９８９～１９９３年体检资料进行一次系统评价和分析，现报告如下。一、资料来源与方法收集我县１９８９～１９... 1975 only child physical development analysis Dongsheng Sanitary and Quarantine Bureau Chen Weina Dongshan County Health and Epidemic Prevention Station Zhong Jingchang In order to understand the county’s only child and nine suburbs of the country, urban children physical development there is a difference, we recently conducted a systematic examination of the physical data from 1989 to 1993 Evaluation and analysis, are as follows. First, sources and methods to collect my county 1989 ~ 19 ...