providing an external quality assurance programme and reference testing service and supplies to laboratories;
向实验室提供外部质量保障计划和基准监测服务与器材；
Despite some improvements, NTPs in all WHO regions reported drug stock-outs, too few laboratories, weak quality control, and limited facilities to carry out culture and drug susceptibility testing.
尽管有了某些改进，但是所有世卫组织区域的国家结核控制规划报告了药品缺货、实验室太少、质量控制薄弱以及设施有限，不能开展培养和药品敏感性试验。
Objective to study the evaluation method of quality control of calcium analysis among health food efficacy component testing laboratories.
目的研究保健食品功效成分检测实验室的钙分析质量控制的评价方法。
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