The study on children's ldren's bone density measurment and its affected factors. 儿童骨强度测定值及其影响因素的研究。
The primary affecting parameters and existent problem were discussed, and the tendency of biotreatment was also described. 讨论微生物法的主要影响因素,总结其存在的问题,并对发展趋势做了介绍。