不超过2000mg/d钙已被证实为安全剂量，被欧洲透析最佳实践指南和美国肾病基金会肾病患者生存质量指导（KDOQI）指南推荐为透析患者的可耐受剂量。肾结石患者更易发生骨质疏松，低钙摄入是这类患者易患骨质疏松的重要原因之一。
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结论分析继发性癫痫的发病特点有利于指导脑卒中患者的临床治疗，提高患者的生存质量。
Conclusions it is helpful for guiding the clinical therapy of patients with stroke and improving the quality of their life to analyse features of secondary epilepsy.
认真做好衰老的流行病学调查，对指导临床防治老年疾病、引导人们保健防衰及提高人们生存质量等有重要意义。
Earnestly aging epidemiological and clinical guidelines for elderly people care, disease prevention and improve people's living quality decline has important significance.
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