Conclusions:The high S/D values can be caused by fetal anomalies, especially multi-malformations, gastrointestinal tract and central nervous system malformations.
结论：胎儿畸形，尤其是多发畸形、消化系统畸形和中枢神经系统畸形可引起S/D值增高。
The long term and high level exposure to manganese might induce Parkinson s disease-like extracorticospinal tract damage in nervous system.
长期高剂量的锰暴露，可出现类似帕金森综合征的锥体外系神经损害。
The long term and high level exposure to manganese might induce Parkinson s disease-like extracorticospinal tract damage in nervous system.
长期高剂量的锰暴露，可出现类似帕金森综合征的锥体外系神经损害。
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